重点讲解：
1. be quick to do sth.
立刻的；马上做某事；
eg. Mark says the ideas are Katie's own, and is quick to praise her talent.
马克说这些都是凯蒂自己的想法，并随即称赞起她的天赋来。
eg. Furthermore, as Gervaise was quick to point out, Mr Scully was not a detective.
而且，正如热尔韦斯毫不犹豫地指出来的那样，斯库利先生并不是一名侦探。
2. in one's element
自在；适得其所；如鱼得水；
eg. My stepmother was in her element, organizing everything.
我的继母得心应手地料理着一切。
eg. The deep-sea fish is in their element in deep ocean water.
深海鱼类适宜在深海水中生活。
3. provide sb. with sth.
供给；提供；给予；
eg. The ship was provided with radar equipment.
那船装有雷达设备。
eg. Cows were domesticated to provide us with milk.
人们饲养奶牛来为我们提供牛奶。