crust中文什么意思

n.
1.面包皮 (opp. crumb)；干面包片；生活口粮，糊口之资。
2.外皮，壳；〔美国〕雪壳；【地质学；地理学】地壳；【动物；动物学】甲壳；【医学】痂；(酒等的)浮渣；水垢。
3.(事物的)皮相，外表，表面。
+更多解释...4.〔美俚〕老面皮，厚颜无耻，没礼貌；(人的)脑壳。
短语和例子
crust movement 地壳移动。 earn one's crust 挣钱糊口。 have a crust 〔美俚〕脸皮太厚；太大胆，太鲁莽，太冒失。 the upper crust 〔古、俚〕上层社会。vt.,vi.
用外皮覆盖；结成硬皮；生痂儿。 The snow has crusted over. 雪在地上结成冰壳。

• aging crust:    老化的地壳
• airytype crust:    艾里型地壳
• algal crust:    藻壳; 藻皮

例句与用法

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1. They must have appeared first as crusts and clinkers .
   它们最初必然象面包的外皮和熔炉里的渣块。
2. Stratigraphy studies the sequence of the rocks in the earth's crust .
   地层学研究地壳中岩石的层序。
3. The crust seals the soil and prevents the evaporation of water .
   这层表皮把土壤封闭，防止水份蒸发。
4. They cut straight downwards through the hard, brush covered crust .
   他们穿透长着灌木的坚实的硬土一直向下掘。
5. Repeat these steps until the suture line is free of blood and crusts .
   重复以上操作直到缝合处无血和硬痂为止。

英文释义

名词

1. the trait of being rude and impertinent; inclined to take liberties
   同义词：gall, impertinence, impudence, insolence, cheekiness, freshness
2. the outer layer of the Earth
   同义词：Earth''s crust
3. a hard outer layer that covers something
   同义词：incrustation, encrustation

动词

1. form a crust or form into a crust; "The bread crusted in the oven"