Conc
[医][=concentrated]集中起来的, 经浓缩的
🗣️ 情景例句
It's a great college.
那是一所好大学。
Punctuality is the soul of business.
严守时间是办事情的重要原则。
Have you received a letter from Jim yet?
你收到了吉姆的来信没有？