Boundstone
黏结灰岩
🗣️ 情景例句
We always whispered when Michelle was born.
当Michelle出生的时候， 我们总是压低嗓门说话。
He has gone far beyond me in learning.
他在学问上超过我。
They both started to pick them up again.
她们俩开始把散落的糖捡起来。