Volumenometry
折积法
🗣️ 情景例句
You really miss your family, don't you?
你非常惦念你的家人是吗？
I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间，否则生命将会在无所事事中告终。
Who do you think you are?
你以为你是谁？