Somewhere a train whistled...不知哪里的火車在鳴汽笛。Another bullet whistled by.又一顆子彈呼嘯而過。He whistled to his friends to keep hidden.他吹口哨通知他的朋友隱蔽起來。He whistled, surprised but not shocked...他吹了聲口哨，很是驚訝但沒有被嚇住。He whistled and sang snatc...
The report is underpinned by extensive research.這份報告以廣泛的研究為基礎。A surveyor said that the problems were caused by subsidence and the house needed to be underpinned.一名勘測員說是地面下陷導致了這些問題出現，房子需要加固地基。The statue of Diana was under...