Catostomidae
n. [魚] 胭脂魚科；[魚] 亞口魚科
??? 情景例句
You're writing a book?
你在寫一本書嗎?
It is easier to descend than to ascend.
下降容易上升難。
I can't see. I think they're in her pencil-box.
我看不到。我想大概在她的鉛筆盒里。