n.(用木塞)堵漏；塞緊

動(dòng)詞plug的現(xiàn)在分詞形式.

The outlets are conveniently placed for plugging in. 電源插座裝在便于插插頭的地方。

He has been plugging away at that article, for hours. 他已堅(jiān)持了好幾個(gè)小時(shí)寫那篇文章。

They've been plugging his new show on the radio. 他們一直在電臺(tái)上宣傳他的新節(jié)目。

She's been plugging away at her French lessons for months. 她已刻苦攻讀法語數(shù)月。

v. 拔去 ... 的塞子(障礙物)