近岸回流的冲力能把游泳的人涌到海里.The pull of the undertow can drag swimmers out to sea.化学物质在系统中不断循环或回流.Chemical constantly circulate or recycle in the system.这种液体就是回流.This liquid is known as the reflux....
Biometrics promises identities that are virtually impossible to steal, impersonate or misplace.这种生物科技测量标准的特徵是近几乎不可能被偷取, 假扮,或误置.He was caught trying to impersonate a security guard.他假扮警卫被抓获。Tom was a brilliant mimic who c...