Scullcap
美黄芩
🗣️ 情景例句
At this hour?
在这个时候？
Content is happiness.
知足常乐。
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。