Molly had cringed when Ann started picking up the guitar.安开始弹吉他时，莫莉感到有些难堪。I cringed in horror.我吓得往后缩。Siegfried cringed and shrank against the wall.西格弗里德畏缩了，退避到墙根。...
The dog cringed when it saw my stick.狗看见我的手杖就退缩了。Molly had cringed when Ann started picking up the guitar.安开始弹吉他时，莫莉感到有些难堪。I cringed in horror.我吓得往后缩。Siegfried cringed and shrank against the wall...西格弗里德畏缩了，退避到墙根。Siegfri...
你们收到了多少寄来的贺卡啊！What a lot of cards you've got through the post!伊莎贝尔送给我一张趣味横生的生日贺卡。Isabel gave me a marvellously funny birthday card.我刚把她的生日贺卡拿去邮局寄.I've just taken her birthday card down to the post....
Ozone is a highly reactive form of oxygen gas.臭氧是一种非常活跃的氧气形态。Ozone is produced by the reaction between oxygen and ultra-violet light.臭氧由氧气和紫外线发生反应而产生。Every spring the ozone is chewed up, and the hole appears.每年春天，臭氧遭到破坏，...
Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.A notably short, silver-haired man, he plays basketball with his staff several times a week.他个子明显较为矮小，一头银发，每周都会和...