African walnut
非洲核桃
🧩 词语组成解析
🗣️ 情景例句
That's for sure.
说的也是。
Who is this?I don't recognize your voice.
你是谁？我听不出你的声音。
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。