Calcium tetraborate
[机] 四硼酸钙
🧩 词语组成解析
四硼酸盐
🗣️ 情景例句
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
Is that girl a student?
那个女孩是学生吗？
We're going out to the Summer Palace.
我们打算去颐和园看看。