评论
打印
重点讲解：
1. react to （作出）反应；回应；
Local residents have reacted angrily to the news.
当地居民对这一消息表示愤怒。
2. show up 如约赶到；出现；露面；
I had to stand in for her on Tuesday when she didn't show up.
她周二没来，我只好顶替她。
3. take advantage of 利用；
We took full advantage of the hotel facilities.
我们充分享用了旅馆设施。
4. engage in 参与；从事；
You can engage in croquet on the south lawn.
你可以参加南边草坪上的槌球游戏。
v. 调查，研究
[计算机] 研究
