Imperatives
n. 必要的事( imperative的复数形式 ); 祈使语气; 必须履行的责任
🗣️ 情景例句
Where can I pick up my package?
我在那儿领取包裹？
Don't mention it.
不必客气。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。