Hartman's solution
[医] 哈特曼氏溶液(牙质脱敏剂)
🧩 词语组成解析
🗣️ 情景例句
We can learn a lot by asking.
我们到处问问会学到不少东西。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
This company is our regular customer.
这家公司是我们的老客户。