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
I came to spend some time with my favorite nephew.
我来是为了和我心爱的侄儿相聚一些时间。
How did you get there?
你怎么去的？
I've live here for twenty years.
我在这里住了20年了。