n. 管,管狀物;電子管;地鐵;電視機(jī);
vt. 把…裝管;把…弄成管狀;用管輸送;
vi. 乘地鐵;不及格;
tub- 表”管道”
??? 情景例句
the plans for the community center
這項(xiàng)修建社區(qū)中心的計(jì)劃
Don't forget to put stamps on the letter.
不要忘記在信封上貼郵票。
When you come to think about it, there are only four ways you can deal with rubbish: dump it, burn it, turn it into something you can use again, attempt to produce less of it.