Biocalc
氢氧化钙
🗣️ 情景例句
Thank you for reminding us that you will be in town next Wednesday and would like to discuss your printing services with Ms. Smith.
谢谢你告诉我你下同周三将到达达镇上并希望与史密斯夫人讨论有关印刷服务问题。
Which one is cheaper?
哪一个是较便宜的？
Which would you like?
您喜欢哪种？