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
Davis Aerobics Center for Good Health.
Davis有氧运动健身中心。
Take it easy.
别紧张。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.