Dhs
数据处理系数（Data Handing System）；癸二酸二己酯
🗣️ 情景例句
It's our school, but we can't vote.
那是我们的学校 ，可是我们却不能投票。
I have a complaint.
我要投诉。
There are many things to be learnt when you start working.
开始工作时，你有许多东西要学。