Dhs
数据处理系数（Data Handing System）；癸二酸二己酯
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
I would like to print this film.
我要冲洗这底片。
I don't know. I can't see!
我不知道，我看不见。