Somasteroid
a. 体海星纲的,体海星亚纲的
🗣️ 情景例句
Mr. Malcolm Stewart, and it looks like a personal letter.
Malcolm Stewart先生收 ，而且看来是一封私人信件。
An ounce of prevention is worth a pound of cure.
预防胜于治疗。
We can't afford all that money.
我们花不起那么多钱。