n. 交易;市集;需求;交易情况,行情;
vt. 在市场上出售某物;推销;
vi. <美>去市场买东西;
mark(merc-=trade)+et(名词后缀)→市场;市集;交易;出售
🗣️ 情景例句
Come in!
进来,
Did you have fun?
你玩得开心吗?
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.