n. 皮,皮革;皮革制品;
vt. 用皮革包盖;(口)(用皮带等)抽打;制成皮,蒙上皮;
adj. 皮的,皮革的,皮革制的;
🗣️ 情景例句
Well,
是的,
I did exercise last week.
我上星期做练习。
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.