Clas
(cla 的复数) abbr. （美国）大学语言协会（College Language Association）
🗣️ 情景例句
One of my patients has a high fever,
我的一位病人发高烧，
Sow the wind and reap the whirlwind.
恶有恶报。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。