重点讲解：
1. in turn 继而；转而；反过来；
例句：This, in turn, was one of the factors that contributed to the appreciation of the dollar relative to other major currencies.
这样又转过来成为促进美元对其它主要货币升值的因素之一4,h.~dj_gi。
2. pile up （使）（工作、问题、损失等）积聚；
例句：Problems were piling up at work.
工作中的问题越积越多4.Kv;vaaAY%S3;703e。
3. stand by 继续支持；
例句：Some people blamed Harry when he got into trouble, but Joe stood by him.
当哈里陷入困境时，一些人责备他，然而乔却支持他8iOphvCBnST5WTO8Q。
4. even if 即使；尽管；纵然；
例句：Even if you laughed at me, I wouldn't give up.
即使你嘲笑我，我也不放弃h~A=L0,Jg8。