Protocalcite
原方解石
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
Love at first sight.
一见倾心。
Susan hasn't been married, neither has Liz.
苏三没结婚，李兹也是。