His grandfather's stern eyes were scrutinizing him , and Chueh - hui felt his face reddening.祖父的严厉的眼光射在他的脸上.The machine hushed, extraction and injection nozzles poised , scrutinizing its targets.机器“嘘”地一声静了下来, 输入输出管道...
核潜艇是一种战略武器.The Nuclear submarine is a kind of strategic weapon.这艘核潜艇价值可达十亿多美元.For example : A nuclear submarine is worth more than a billion dollars.核潜艇成功发出了一份电报.A cable was successfully sent from the submarine....
Hexadecyl octyl dimethyl ammonium bromide and hexadecyl decyl dimethyl ammonitim bromide were synthesized.合成了十六烷基辛基二甲基溴化铵和十六烷基癸基二甲基溴化铵两个新型杀生剂.In this paper the origin and development of octyl and decyl glycerate was intr...