Neurogen
[醫] 介質, 傳遞質; 神經原質
??? 情景例句
which we made clear at the beginning of the negotiation.
關于這一點，我們早在開始談判時期就講明了。
I don't blame you for doing that.
我不責備你做了那件事。
I am busy. How is your business？
我很忙。你的生意做得怎樣？