当这些聚体达到一定体积时,内部的细胞变成木质化.When the aggregates reached a certain size the inner cells became lignified.木质化足以使细胞变硬和增强.This lignification serves to stiffen and strengthen the cells.细胞壁多发生木质化而次生加厚.The cell wall has undergone s...
The agreement removes the last serious obstacle to the signing of the arms treaty...这个协议排除了签订武器条约的最后一个严重障碍。Lack of money has proved an almost insurmountable obstacle.资金不足已成为一个几乎无法逾越的障碍。Most competition cars will only rol...
Who wants to buy a computer from a failing company?谁愿意从一家要倒闭的公司买计算机呢？In a way, I suppose I'm frightened of failing.我想我有点惧怕失败。He was declared bankrupt after failing to pay a £114m loan guarantee.由于无力偿还1.14亿英镑的贷款担保，他被...
You use some question tags to make imperatives more polite.反意疑问句也用以使祈使句更礼貌....the needs of those unable to respond to the imperatives of an enterprise culture.那些不能积极响应企业文化核心要求的人的需求Nixon, however, had other imperatives.但尼...