Ooide
鲕粒; 鲕石
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
Count not your chickens before they are hatched.
不要过早乐观。
The basic model will cost about 10% less.
基本型的便宜约10%左右。