Ostiary
n. 看门人\\n[医] 口的
🗣️ 情景例句
When will you be through with your homework?
你的家庭作业什么时候可以做完？
Older and wiser.
越老越聪明。
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，