Dfdt
[医] 二氟二苯三氯乙烷(强烈杀虫剂)
🗣️ 情景例句
Where are you working now?
你现在在哪里工作？
Kill two birds with one stone.
一举两得。
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。