城市灰尘是城市环境学研究的对象之一.Urban dust constitutes an important problem in urban environmental science.这一计算方法不具有环境学和生态学方面的意义.The budgetary method doesn't have the meaning of environmental science and ecology.作为一名曾经的商人, 他现在已经成...
Archaeologists have uncovered some ancient earthwork.考古学家发现了一些古代的土建工程.Square grid is a common method used to estimate earthwork quantity.方格网法是工程土方量计算中应用最为普遍的一种方法.Scope: Earthwork Construction Machinery Construction Earth...
尿液是无菌的。Urine is sterile.这个盖子严实地盖在奶瓶上,保持奶嘴无菌.This top fits over the bottle and keeps the teat sterile.手术室应该是个无菌的环境.An operating theatre should be a sterile environment....
凯西·施滕格尔可能是棒球界最有趣的人物。Casey Stengel was probably the most colorful character in baseball.作为喜剧界的常青树——他的简单淳朴与自然大方无人能及。A timeless comic actor—his simplicity and his apparent ease are matchless.20世纪80年代初他突然在时尚界活跃起来。He burst on...
He has been arrested by mistake.警方误抓了他。He opened Ingrid's letter by mistake.他不小心拆了英格丽德的信。She let the news slip by mistake , in an unguarded moment.她一不留神泄漏了消息....