1. cracking的意思

1. 裂化：参考资料 裂化 裂化(cracking) 一种使烃类分子分裂为几个较小分子的反应过程. 烃类分子可能在碳-碳键、碳-氢键、无机原子与碳或氢原子之间的键处分裂. 在工业裂化过程中,主要发生的是前两类分裂. 在中国,习惯上把从重质油生产汽油和柴油的过程称为裂化;

2. 开裂：(40)开裂(Cracking)漆膜出现不连续的外观变化. 通常是由于漆膜老化而引起. 重要的形式为:微裂、细裂、小裂、深裂、龟裂、鸦爪裂. (41)微裂;发丝裂(Hair cracking)很细浅的表面裂纹且分布不规则的一种开裂形式. (42)细裂;

3. 破裂：文档简介: 4-13 开模时或顶出时成品破裂 破裂(cracking)是成形品表面产生毛发状之裂纹,成形品会有棱角时,此部份常发生不易看出的细裂纹.裂纹是成形品的致命不良现象主要原因如下所示.

4. \u0064\u0061\u006E\u0063\u0069\u002E\u0039\u0031\u0031\u0063\u0068\u0061\u002E\u0063\u006F\u006D

4. 裂缝：3.如果是油漆过去已经漆过的表面,而且原来的油漆没有起皮(peeling)起泡(blistering)裂缝(cracking)等等问题的话,只要很轻的很快的用细砂纸磨一遍,直接漆面漆就可以啦,当然有问题的话,也要先修复,要上底漆.

1. 优秀的;极好的;顶呱呱的
    You use cracking to describe something you think is very good or exciting.

    e.g. It''s a cracking novel...
           这是一部很优秀的小说。
    e.g. The way Liverpool play, and the way we play, I think it will be a cracking game.
           利物浦队的打法再加上我们的打法，我想那会是一场很精彩的比赛。

2. 马上开始;加紧做
    If you tell someone to get cracking, you are telling them to start doing something immediately.

cracking什么意思

    e.g. Mark, you''d better get cracking, the sooner the better...
           马克，你最好尽快开始，越快越好。
    e.g. Vouchers must be redeemed before September 14th so you''d better get cracking to cash in.
           代金券必须于9月14日之前兑现，所以你最好快点。

3. 迅速地;飞速地
    If you say that someone or something is moving at a cracking pace, you mean that they are moving very quickly.

    e.g. She set off at a cracking pace to Mr Ramzan''s Superstore...
           她飞速赶往拉姆赞先生的大型商场。
    e.g. The film belts along at a cracking pace.
           影片节奏紧凑。

1. the act of cracking something

    Synonym: fracturecrack

2. a sudden sharp noise

    e.g. the crack of a whip
           he heard the cracking of the ice
           he can hear the snap of a twig

    Synonym: cracksnap

3. the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)

1. very good

    e.g. he did a bully job
           a neat sports car
           had a great time at the party
           you look simply smashing

    Synonym: bang-upbullycorkingdandygreatgroovykeenneatniftynot bad(p)peachyslap-upswellsmashing