Seraceta
[化] 乙酸酯纤维
🗣️ 情景例句
That's good news.
这是个好消息。
Sorry, She is out. Shall I take a message?
抱歉，她外出了，你要留口信吗？
I mean powder that is made from fish, blood and bone.
我是指用鱼、血和骨头制成的粉末。