这种材料是一种叫做镓锰砷化物的东东.The material is a semiconductor called gallium manganese arsenide.确诊砷中毒以从尿、头发、指甲中检出砷化物为依据.Arsenic in urine and hair or nails is the key to diagnosis.口服摄入砷化物的急性症状有恶心、呕吐、口腔和喉部烧灼感及腹部剧痛;可出现循环性虚脱.Symptoms of...
He descried an island far away on the horizon.他看到遥远的地平线上有个岛屿.At length we descried a light and a roof.终于,我们远远看见了一点灯光,一所孤舍.We descried the little boat two miles away.我们望见两英里外的小船....
He's becoming more and more obsessive about punctuality.他对守时要求越来越过分了。He's been taken to task for his habitual lack of punctuality.他因为经常不准时而受到批评.He gave the child a lecture on the importance of punctuality.他教训孩子...
I didn't mean any offence. It was a flippant, off-the-cuff remark...我并无冒犯之意。那只是随口说出的一句轻率话。She flew at him for making a very anti-British remark.她攻击他激烈的反英言论。The Chief was left speechless by this fatuous remark.这句傻话让主...
The elephant dwarfed the tortoise.那只乌龟跟那头象相比就显得很小。The old houses were dwarfed by the huge new tower blocks.这些旧房子在新建的高楼大厦的映衬下显得十分矮小。You may feel dwarfed by the sheer scale of the place.看到此处气势如此恢宏，你可能会觉得自己很渺小。You may feel ...