她是个非常沉着的人。没什么能让她惊慌的。She was a very calm person. Nothing could fluster her.每个人都必须冷静沉着地仔细考虑这一情况。Everyone must think this situation through calmly and coolly.她以沉着冷静著称。She has a reputation for being calm and cool-headed....
Mendelian gene is not a real physical entity but an abstraction or symbol.孟德尔式的基因并不是真正的实体,而是抽象概念或者是说明性的符号.It is rather disappointing that so few of the features show clear - cut Mendelian pedigree patterns.颇使人感到失望的是,只有很少...
同时,人口也开始迅速增长起来, 稠密地聚居在不大的地域内.Population rapidly increased in number , and in small areas became dense.菌体稠密地长满了一小块高度局限的特化的基质上.A highly localized, specialized piece of substrate is densely overgrown....
Edgar Hoover, John Lindsay , Richard Nixon and Jack Dempsey.这四个人都在自己的照片上亲笔签了名.I started with Hoover 26 years ago in sales and rose up through the ranks.我26年前加入胡佛公司时做的是销售工作，后来级级攀升。to hoover the carpet用吸尘器清扫地毯Hoover was bu...