One of them wrote to us out of the blue several years later.数年后他们中的一人突然给我们写了一封信。Her son, who left her more than thirty years ago, came out of the blue.她三十多年前离开的儿子出乎意料地回来了.The whole thing was a bolt out of the blue.这件事,整个...
我闻到了呕吐物的臭气.The rank smell of vomit reached me.我马上就闻到了呕吐物的酸臭味.The stink of vomit reached me instantly.呕吐物或吸引液内酸的浓度不需要达到这一程度.The concentration of acid in vomitus or aspirate need not reach this limit....