重点讲解：
1. be made of （由…）构成的；（由…）制成的；
例句：Some of the internal walls of my house are made of plasterboard.
我家房子的一些内墙是石膏板做的nX0YxEdnyF。
2. be able to do sth. 可以…的，能够…的；
例句：I am able to attempt a judgment with the benefit of hindsight.
我借助事后的认识才得以做出判断EuDhvPUJ.w[p7。
3. of all time 有史以来最…的；前所未有的；空前的；
例句：He is regarded by some as the greatest watchmaker of all time.
他被一些人看作是历史上最伟大的钟表制造人vYZKYza.ai.w|KxSWcM7。
4. would like to do sth. （表示愿意）想要；
例句：She would like to stay another two months.
她想再待两个月bO.T4M)oJQ6FoxS。