Acticarbon
活性炭(吸附剂)
🗣️ 情景例句
Is something still wrong, Robbie?
还有什么不对的地方吗， Robbie？
I hope you'll be well soon.
祝你早日恢复健康。
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。