Urstoff
[德]物质单元, 原质
🗣️ 情景例句
I manage my time perfectly so that I can always get things done on time.
我很会利用时间，因此总能准时完成工作。
Half a tale is enough for a wise man.
聪明人凡事只须听一半，就会明白究竟。
Make yourself at home.
请不要拘礼。