他不得不将向潜在客户测试和展示飞行器的重任交托给一名助手。He was forced to entrust an assistant with the important task of testing and demonstrating aircraft to prospective customers.亲爱的欧也妮, 我把它交托给你.Dear Eugenie, I will leave it in your keeping.灵魂在缓...
Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid ty...
That one mistake was his undoing.他一失足即成千古恨。The new president spent the first year undoing the work of his predecessor.新总统用了第一年的时间来收拾前任总统留下的摊子。His lack of experience may prove to be his undoing.他缺乏经验可能会最终导致他的失败。She has in...
But all the bumblebees died. And so did the hummingbirds, all four of them.但是所有的大黄蜂都死了,蜂鸟, 一共四种,也都死了.Its newborn are the size of bumblebees and its nest is the size of a walnut.孵出的蜂鸟只有大黄蜂那么大,其巢只有核桃那么大....