以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛.The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials.目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.Aim Enanthal diethyl acetal is prepared ...
Playing these games can lead to anti-social behaviour.玩这类游戏会引发反社会行为。To bet or wager money on games of chance, races, etc.在概率类游戏或比赛中打赌或下注.Jane's goals helped Britain win third place in the Barcelona games.简的进球帮助英国队在巴...
The colonel ordered, "I want two good engines down here asap."上校命令道:“尽快给我找两台性能好的发动机来。”They need to run a match on this bullet asap.他们想在这颗子弹上举行一次竞赛.Are they finished? I need them ASAP.写完了 吗 ?我想尽早拿到.The colonel ordered, ...
...protons and electrons trapped by magnetic forces in the Van Allen belts.范艾伦辐射带的磁力俘获的质子和电子A minibus is trapped on an ice - covered road in Chenzhou, Hunan province.一辆小巴被困在湖南郴州一条被冰覆盖的公路上.They were trapped after the lift...
Diopside rock is a functional raw material for high frequence porcelain.透辉石矿是高频瓷的一种实用原料.After setting, we can use following command to check if the core frequence is changed.设定完后可以利用以下命令来查看是否工作频率已改变.The design of high - ...
一颗狙击手的子弹打烂了他头顶上方两英寸地方的墙头.A sniper's bullet tore up a wall two inches above his head.她移开视线不去看他那只打烂的右手.She withdrew her eyes from his smashed right hand.我要打烂你的臭嘴.I'll break your mucking jaw....