Dicarbonate
碳酸氢钠, 小苏打
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
Where can I make a reservation?
我到哪里可以预订？
Thank you very much.
非常谢谢你。