n. 纸;被单;一张(通常指标准尺寸的纸);一大片(覆盖物);表格;
vt. 用(床单等)包裹;用(床单等)掩盖;用缭绳调节(或固定);给…铺床单;
vi. 成片展开,成片流动;
adj. (金属材料)制成薄板(或薄片)的,扎制成片的,片状的;
🗣️ 情景例句
What are you working on?
你在干什么?
I asked him to leave immediately, but he wouldn't.
我请他马上离开,但是他不肯。
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.