Protactinium pentoxide
[化] 五氧化二镤
🧩 词语组成解析
n. 镤\\n[化] 镤Pa
n. [化]五氧化物
🗣️ 情景例句
What do you often eat for supper?
你晚饭通常吃什么？
I will go for a walk.
我将去散步。
There was a tine when the owners of shops and businesses in Chicago that to pay large sums of money to gangsters in return for 'protection.
曾经有一个时期，芝加哥的店主和商行的老板们不得不拿出大笔的钱给歹徒以换取保护。