He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的阅读和写作是强项,但他希望知道怎样去理解和说得更好。
One man was told to fix up an air-line to provide compressed air for the machines they were using.
有个工人被派去安装"供气管",给他们正在使用的机器提供压缩空气。