Infusoriotoxin
[医] 杀纤毛虫毒素
🗣️ 情景例句
That would be very helpful.
你这样做帮忙可大噢。
The surest way to be happy is to be busy.
要快乐，最可靠的办法是忙碌。
Suddenly, they heard a voice behind them.
突然他们听到身后有声音。