Centival
[机] 百分浓度单位
🗣️ 情景例句
We've always lived in this area.
我们一直住在这个地区。
Good afternoon, sir.
下午好，先生。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。