Colibacillus
大肠肝菌
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
Lost sleep
失眠
The inner workings of our own brains we feel to be uniquely worthy of investigation,
我们觉得，只有我们大脑内部的活动情况才值得研究，