Ophiocara
蛇首塘鳢属
🗣️ 情景例句
It's not difficult.
这不难。
I would like to ask you a question.
我想问你一个问题。
He found it very difficult to get to sleep and he was rather angry with the man upstairs.
他觉得这样很难入睡， 他对楼上的人相当生气。