Tripolyphosphate
三聚磷酸盐
🗣️ 情景例句
Philip was a young doctor,
Philip当时是个年轻的大夫
Our own actions are our security,not others' judgements.
我们的行为是自己的保证，并不是旁人的鉴定。
When the dentist at last removed the cotton wool from my mouth,
当那位牙医最后将药棉从我嘴中取出时，