Tetractinomorpha
四放海绵亚纲
🗣️ 情景例句
This is a classic in the making.
这是一部尚未完成的一流著作。
Hello. I wish to speak to Mr.Chen?
喂，我想和陈先生讲话。
I saw him playing football on the playground.
我看见他在操场上踢足球。