Bivelangiocarpy
双菌幕被果型
🗣️ 情景例句
Are they open?
店开着吗？
When did you do homework?
你什么时候做家庭作业？
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。