1. gnome [nəʊm]
n.土地神；侏儒，地精
an imaginary , very small , old man with a beard and a pointed hat , in traditional children's stories
参考例句：
1. The Swedes do not have Santa Claus. What they have is Christmas Gnome. 瑞典人的圣诞节里没有圣诞老人，但他们却有一个圣诞守护神。
2. Susan bought a garden gnome to decorate her garden. 苏珊买了一个土地神像来装饰她的花园。
2. queasy [ˈkwi:zi]
adj.易呕的
likely to vomit
参考例句：
1. I felt a little queasy on the ship. 我在船上觉得有点晕眩想呕吐。
2. He was very prone to seasickness and already felt queasy. 他快晕船了，已经感到恶心了。
3. subtractive [səb'træktɪv]
adj.负的；减法的
constituting or involving subtraction;
参考例句：
1. The result is a subtractive number. 结果是负数。
2. Complementary to the three additive light primaries, there are three subtractive primaries. 与加色法三原色互为补色的颜色为减色法三原色。
4. pendulous [ˈpendjələs]
adj.下垂的；摆动的
hanging down loosely
参考例句：
1. The oriole builds a pendulous nest. 金莺鸟筑一个悬垂的巢。
2. Her lip grew pendulous as she aged. 由于老迈，她的嘴唇往下坠了。
5. importunate [ɪmˈpɔ:tʃənət]
adj.强求的；纠缠不休的
repeatedly asking for something, in a forceful and annoying way
参考例句：
1. I would not have our gratitude become indiscreet or importunate. 我不愿意让我们的感激变成失礼或勉强。
2. The importunate memory was kept before her by its ironic contrast to her present situation. 萦绕在心头的这个回忆对当前的情景来说，是个具有讽刺性的对照。
6. crustacean [krʌˈsteɪʃn]
n.甲壳动物；adj.甲壳纲的
any of various types of animal which live in water and have a hard outer shell
参考例句：
1. The valuable seafood lobster is crustacean section. 名贵海珍品龙虾属甲壳科。
2. The illustrious Cuvier did not perceive that a barnacle was a crustacean. 大名鼎鼎的居维叶也未看出藤壶是一种甲壳动物。
7. asymmetry [ˌeɪ'sɪmətrɪ]
n.不对称；adj.不对称的，不对等的
(mathematics) a lack of symmetry
参考例句：
1. These bands must introduce longitudinal asymmetry in the planetary albedo. 这些云带必定引起行星反照率的经向不对称性。
2. In any event the asymmetry is clear enough. 总之，不对称是非常明显的。
8. acidity [əˈsɪdəti]
n.酸度，酸性
the amount of acid in a substance or in your stomach
参考例句：
1. This plant prefers alkaline soil, though it will readily tolerate some acidity. 这种植物在酸性土壤中也能生存，但硷性土壤更加适宜。
2. Gastric acidity would not prevent the organism from passing into the gut. 胃的酸度不能防止细菌进入肠道。
9. fulcrum [ˈfʊlkrəm]
n.杠杆支点
the point at which a bar , or something that is balancing , is supported or balances
参考例句：
1. Give me a fulcrum on which to rest, and I will move the earth. 给我一个支承的支点，我就会搬动地球。
2. The decision is the strategic fulcrum of the budget. 这一决定是预算案的战略支点。
10. megalopolis [ˌmegəˈlɒpəlɪs]
n.特大城市
a very large urban complex (usually involving several cities and towns)
参考例句：
1. There was a lot of talent in this megalopolis. 在这个城市里有很多人才。
2. People converged on the political meeting from all parts of the megalopolis. 人们从城市的四面八方涌向这次政治集会。
11. potpourri [ˌpəʊpʊˈri:]
n.混合之事物；百花香
a mixture of dried petals and leaves from various flowers and plants that is used to give a room a pleasant smell
参考例句：
1. As tobacco cigarette burns, a potpourri of 4000 chemicals is released, including carbon monoxide and hydrocyanic acid. 当烟被点燃时，融合了四千种化学品的气体被释放出来，其中包括一氧化碳和氢氰酸。
2. Even so, there is a slight odour of potpourri emanating from Longfellow. 纵然如此，也还是可以闻到来自朗费罗的一种轻微的杂烩的味道。
12. placidity [plə'sɪdətɪ]
n.平静，安静，温和
a feeling of calmness; a quiet and undisturbed feeling
参考例句：
1. Miss Pross inquired, with placidity. 普洛丝小姐不动声色地问。
2. The swift and indifferent placidity of that look troubled me. 那一扫而过的冷漠沉静的目光使我深感不安。
13. wispy [ˈwɪspi]
adj.模糊的；纤细的
in the form of a wisp or wisps
参考例句：
1. Grey wispy hair straggled down to her shoulders. 稀疏的灰白头发披散在她肩头。
2. The half moon is hidden behind some wispy clouds. 半轮月亮躲在淡淡的云彩之后。
14. harridan [ˈhærɪdən]
n.恶妇；丑老大婆
an unpleasant , especially older woman, who shouts a lot
参考例句：
1. She was a mean old harridan. 她是个刻薄的老泼妇。
2. Homer's epic is not just composed of harridan wives and brave men. 荷马的史诗不是只有暴躁的妻子和勇敢的战士。
15. locomote [ˌləʊkə'məʊt]
vt.移动，行动
change location; move, travel, or proceed;
参考例句：
1. They locomote down the alley. 他们顺着巷子行进。
2. I made out three figures locomoting in the distance. 我隐约看出远处有三个人影在移动。
16. immersion [ɪˈmɜ:ʃn]
n.沉浸；专心
sinking until covered completely with water
参考例句：
1. The dirt on the bottom of the bath didn't encourage total immersion. 浴缸底有污垢，不宜全身浸泡于其中。
2. The wood had become swollen from prolonged immersion. 因长时间浸泡，木头发胀了。
17. derogate [ˈderəgeɪt]
vi. 减损；贬损 vt. 毁损；贬低；诽谤
belittle;
参考例句：
1. Such conduct will derogate from your reputation. 那样的行为有损你的名誉。
2. The parties may not derogate from or vary the effect of this article. 各当事人不得减损本条或改变其效力。
18. reprehensible [ˌreprɪˈhensəbl]
adj.该受责备的
If someone's behaviour is reprehensible, it is extremely bad or unacceptable
参考例句：
1. Lying is not seen as being morally reprehensible in any strong way. 人们并不把撒谎当作一件应该大加谴责的事儿。
2. It was reprehensible of him to be so disloyal. 他如此不忠，应受谴责。
19. goblet [ˈgɒblət]
n.高脚酒杯
a container from which drink , especially wine , is drunk , usually made of glass or metal , and with a stem and a base but no handles
参考例句：
1. He poured some wine into the goblet. 他向高脚酒杯里倒了一些葡萄酒。
2. He swirled the brandy around in the huge goblet. 他摇晃着高脚大玻璃杯使里面的白兰地酒旋动起来。
20. engrossed [ɪnˈgrəʊst]
adj.全神贯注的
giving all your attention to something; absorbed
参考例句：
1. The student is engrossed in his book. 这名学生正在专心致志地看书。
2. No one had ever been quite so engrossed in an evening paper. 没人会对一份晚报如此全神贯注。
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