Quantity theory
数量学说, 量子论
🧩 词语组成解析
🗣️ 情景例句
Stone is still in the hospital, but he's making good progress.
世通还在医院，但他的身体康复得很快。
I'm happy when I skate.
溜冰真是快乐呀。
Only very thrifty children manage to fill up a money box.
但是能把储蓄罐装满的只有屈指可数的几个特别节俭的孩子。