adj. 恶劣的;肮脏的;卑劣的;下流的;
vt. 弄脏,污染;使名声受玷污;
vi. 变脏,污染;
🗣️ 情景例句
I'm going somewhere else this evening.
今晚我要去另外一个地方。
I really don't know.
我真的不知道。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.