Ectoethmoid
外筛骨
🗣️ 情景例句
It's tough getting an O.K. from the boss.
很难从老板那听到声“同意”。
I have my lunch in a snack bar nearby.
我在附近一家快餐店吃午饭。
5 What makes you feel that you are doing well?
5。是什么使你感到自己干得不错？