Pentelide
第五族元素化物
🗣️ 情景例句
It's time I was off.
我该走了。
Thank you for seeing me off.
谢谢你送行。
If you touch them you may break something or have an accident and hurt yourselves.
如果你用手摸它们，也许你会搞坏机器，或者会发生事故，打伤你自己。