Casia
化学文摘题目索引通报
🗣️ 情景例句
Thank you. It's delicious.
谢谢，味道很好。
Take care of the pence and the pound will take care of themselves.
金钱积少便成多。
Camping sites, by contrast, are highly cosmopolitan.
而露营驻地则相反，是高度世界性的。