处于液态的叠氮酸是很危险的.Hydrazoic acid in liquid form is very dangerous.结果表明添加叠氮酸酯是一种提高硝胺改性双基推进剂燃速与能量的切实可行途径.The results show that PDADN can increase burning rate and energy of nitramine modified propellant....
Pezzo takes tight turn downhill as spectators line the side of track.佩佐下山急转弯,观众站在赛道旁观看.With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Dozens of miles of r...
Unfortunately, Grandma always seems to awaken at awkward moments.不幸的是，奶奶好像总是醒来的不是时候。Alexandra looked plump and awkward in her cast-off clothing.亚历山德拉穿着那身过时的衣裳，显得臃肿笨拙。I'm always being told off for being so awkward.我笨...
The actor in role of an old man wears false whiskers.扮演老头的演员戴着假胡子.He watched the cat cleaning the milk off her whiskers.他看着猫舔胡须上的牛奶.Winston could see the whiskers and the yellow teeth.温斯顿可以看到它的胡须和黄牙....wild, savage-looki...
Alcoholism often leads to the alienation of family and friends.酗酒常常导致家庭和朋友间的疏远.The phenomena of alienation are widespread. Sports are also alienating.异化现象普遍存在, 体育运动也不例外.This acute sense of alienation finds most vivid exp...
How did the dinosaurs die out?恐龙是如何灭绝的？If we stopped at that the human race would die out.要是我们拘泥这一点,那么人类就会绝迹.A species may also die out if humans or.如果人类或别的动物消耗掉太多的植物....