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
and do it while I talk to my secretary.
我去和秘书说个话。
Obedience is the first duty of a soldier.
服从是军人的第一职责。
I have just finished my work.
我刚刚完成我的工作。