Ectoethmoid
外筛骨
🗣️ 情景例句
It's certainly a pleasure to meet you.
认识你真是我的荣幸。
The wife is the key of the house.
妻子是一家的钥匙。
The temperature will stay above zero in the day-time, but at night it will fall below zero again.
白天气温保持在零度以上，但夜间仍会降至零下。