筛窦炎在儿童中常并发眼眶蜂窝织炎及脓肿.Ethmoid sinusitis is frequently complicated in children by orbital cellulitis and abscess.节律的这种正常变化称为窦性心律失常.This normal variation in rhythm is known as sinus arrhythmia.窦性心动过缓是心率低于60次.Sinus bradycardi...
仔细想一想然后再回答.Think carefully before you answer.总统拒绝就这个话题再回答问题。The President refused to answer further questions on the subject.先好好想想再回答, 因为你一决定,就木已成舟了.Think before you answer, for It'shall be done as you decide....
We could now very plainly hear their heavy tread.我们现在可以非常清楚地听到他们沉重的脚步声。The fat, broad tyres had a good depth of tread.这种宽大的轮胎有很深的胎面花纹。Martin is inclined to rush in where angels fear to tread.马丁总是喜欢贸然行事。...