Biphosphate
磷酸氢盐
🗣️ 情景例句
Take care on your way back.
回程保重了。
This part of the country is very mountainous.
国家的这部分有很多的山。
To her horror he said that she was two hours too soon.
搬运工说她早到了两个小时，她听后大吃一惊。