Cycloaminium
[建] 环铵
🗣️ 情景例句
I don't know haw that could have happened.
我不知道怎么会发生那样的事。
Did you enjoy your flight?
你的飞行旅途愉快吗？
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。