n.插筒管

動(dòng)詞don的現(xiàn)在式和現(xiàn)在分詞形式.

I don't find much time to play billiards these days, but I don try to keep my eye in at the weekends. 現(xiàn)在我沒有很多時(shí)間打臺(tái)球，但為了不荒疏球藝，就在周末打打。

For being late home you will have to stay in tonight-and don top of that you can tidy your bedroom. 因?yàn)榛丶彝砹耍裢砟阒坏么粼诩依锪?#8212;—此外，你可以整理一下你房間。