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.The purity of dimethyl disulfide was determined by capillary gas chromatography.应用毛细管气相色谱法测定二甲基二硫的纯度.Marine livi...
Several kinds of novel extraction solvents were presented which mainly included N - formylmorpholine, dimethyl formamide, etc.介绍了石油化工领域采用的几种优良抽提剂,包括N - 甲酰吗啉 、 二甲基甲酰胺等.Process for synthesizing dimethyl phthalate ( DMP ) f...
He was red-cheeked with rage.他气得满脸通红。He was red-cheeked with rage...他气得满脸通红。You will become sallow and hollow - cheeked, and dull - eyed.你会变得面如土色,两颊凹陷 、 眼光迟滞.An older woman, pink-cheeked and tweedy, appeared in the doorw...
I don't think he intended her any disrespect.我认为他对她没有不恭的意思。Yesterday's meeting was intended to plot a survival strategy for the party...昨天的会议旨在制订使该党能够继续存在下去的策略。It is intended for external installation on a test...
这是平行四边形的对边.These are the opposite sides of the parallelogram.环面可由矩形把其两对对边分别重叠起来而得到.A torus can be obtained from a rectangle by identifying opposite sides.当各块板块彼此分离时, 他们又在对边与其它板块发生碰撞.As the plates move apart, they encount...
I stumbled and sprained my ankle.我摔了一跤，把脚脖子扭了。She sprained her ankle playing squash.她在打软式墙网球时扭伤了脚踝。He fell and sprained his ankle.他摔了一跤，扭伤了脚踝。My neighbour a good Samaritan when I sprained my ankle.当我扭了脚脖子时,我的邻居不厌其烦地帮助我.H...
Police bullets raked the gateways car.警察的子弹对着门口的汽车扫射.bullets of the same calibre直径相同的子弹The victim was hit by a hail of bullets.受害者被一阵弹雨击中。These starving brutes will shoot out of it like bullets.这些饿慌了的小畜牲就会像万箭齐发一样窜出来.Five...