Thallocenium
二茂铊(阳离子)
🗣️ 情景例句
She was in our class.
她和我们同班。
You look more rested than I've seen you before.
你比上次我看到你的时候精神多了。
You're from Australia, aren't you?
你是澳大利亚人，对吗？