某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.即丙烯醛水合法, 环氧乙烷甲酰化法,生物发酵法.They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis m...
the metamorphosis of a caterpillar into a butterfly从毛毛虫到蝴蝶的蜕变A butterfly is produced by metamorphosis from a caterpillar.蝴蝶是由毛虫脱胎变成的.One of the favourite games in fairy tales is metamorphosis.神话故事的惯用手法之一是凭借魔力改变形态....
She won a silver medal in the high jump.她跳高得了银牌。I want to enter my name down for the high jump.我想报名参加跳高比赛.How many entries are there for the high jump?报名参加跳高比赛的有多少人?...
The belly is inflated with carbon dioxide maneuvering room.在腹腔中填充二氧化碳,以扩大手术的操作空间.While talking, he changed freeway lanes , maneuvering the Fiat with one hand.他一边讲话, 一边用一只手开着菲亚特离开了高速干道.A clear, hinged foot , perfect for e...
He picked up the calipers and measured carefully.他拿起双脚规仔细测量.The carpenter gauged the dowel with calipers.那木匠用卡钳估量暗榫.He picked up the calipers and gauged carefully.他拿起卡钳仔细测量.Figure 4 is an example of an expected line with...
如果有陌生人拦你的车，把车窗摇下一点点就行。If a stranger stops you, just wind the window down a fraction.一场全明星比赛可能勉强会激起一点点兴趣。An all-star game might scare up a little interest.梅尔维尔仅靠一点点钱勉强度日。Melville managed to get by on a small amount of mon...