这个命题经得起推敲吗？How well does this thesis stand up to close examination?两个队准备就所给定的命题展开辩论.The two teams prepared to debate the given proposition.这个命题经不起仔细推敲。This thesis does not stand up to close inspection....
Drivers must be on the alert for traffic signals.驾驶员必须密切注意交通信号.They were constantly on the alert not to be taken by surprise.他们一直处于常备不懈状态以防突然袭击.Hearing this, I was instantly on the alert.我一听这话, 当下就警惕起来....
A steel railway bridge spans the Yalu River.鸭绿江上有一座钢铁大桥.The wire door was a couple of hand - spans from his face.铁笼门距他的脸只有一两个巴掌远.As spans increase this will become unavoidable for the internal rooms.随着跨度的增加,这种做法对于内部房间是势在...