Ferulaldehyde
阿魏醛
🗣️ 情景例句
Yes, Alexandra.
对， Alexandra。
This is my friend Susan.
这位是我的朋友苏珊。
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。