Tcdd
[化] 四氯二苯并二┭英
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
Can you come at 10 a.m.on Monday, April 24th?
您在4月24日星期一上午10点钟来行吗？