Homostasis
n. 同态;体内平衡
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
Good idea! When shall we meet?
好主意！我们什么时候会面？