Holothuroidea
海参纲
🗣️ 情景例句
Is a letter of credit OK?
用信用卡可以吗？
I'm sick and tired of my monotonous life.
我对自己的单调生活感到厌倦。
Most funny stories are based on comic situations.
大部分令人发笑的故事都是根据喜剧情节编写的。