Octocorallia
八射珊瑚亚纲
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
You're going out of your way for us, I believe.
我相信这是对我们的特殊照顾了。
The secret was spread among the crowd.
秘密在人群当中传播开来。