plug
英语音标：[plʌg]
美语音标：[plʌɡ]
n.
插头;(电源)插座;转换插头;塞子;栓塞;螺钉楔子，螺钉塞栓;推销
vt.
堵塞;封堵;补足;补充;供给;推广;宣传;射击
例句
He managed to get in a plug for his new book.
他设法为自己的新书插入了一条宣传信息。
He plugged the hole in the pipe with an old rag.
他用一块旧破布把管子上的那个洞塞住了。
My confidence is still there and I'll just keep plugging away.
我仍有信心，会继续坚持不懈。
