Lithistida
石海绵亚目
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
Thanks for the advice,but this is something I have to figure out myself.
谢谢忠告，但是这必须由我自己解决。
Yes, I have.I think that.I've hurt my back.
是啊，摔伤了。我想我把背摔坏了。