Plunged
v. 顛簸( plunge的過去式和過去分詞 ); 暴跌; 驟降; 突降
??? 情景例句
That sounds pretty good.
聽起來挺好的嘛！
Did you go running this morning?
你今早去跑步了嗎？
Excuse me. Where's the nearest post office, please?
請問，最近的郵局在哪兒？