Geospace
n. 地球空间
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
Do you like horse?
你喜欢马？
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。