Restitutor
恢复器
🗣️ 情景例句
What's it about?
是关于什么的？
Hedges have eyes, and walls have ears.
篱笆有眼，隔墙有耳。
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。