Polystichin
耳蕨素
🗣️ 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.
Sit down, please.
请坐。
A bar of Chocolate.A bottle of milk.A pound of sugar.
一块巧克力、一瓶牛奶、一磅糖、