Colloidality
胶性, 胶度
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
If he doesn't play, who will?
如果他不，谁要去玩？
'You must give up fishing!' my friends say.
“你可别再钓鱼了！”我的朋友们说，