Trichechiformes
海牛形亚目
🗣️ 情景例句
You've done a wonderful job.
你做得真棒！
The man who makes no mistakes does not usually make anything.
不犯错误的人往往也就是无所作为的人。
A Festival for the Dead is held once a year in Japan.
日本每年过一次“亡灵节”。