Methonium
三甲季铵
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
Take the rough with the smooth.
既能享乐也能吃苦。
You'd better find it quickly. Oh, too late.
你最好赶快找到它。啊，太迟了。