Barium dichromate
[机] 重铬酸钡
🧩 词语组成解析
barium
[['bɛəriəm]]
n. 钡\\n[化] 钡Ba
n. 重铬酸盐\\n[化] 重铬酸盐(或酯)
🗣️ 情景例句
I don't know how to thank you enought.
我不知道应该如何感谢你。
Nothing for nothing.
不费力气，一无所得。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。