Tcdd
[化] 四氯二苯并二┭英
🗣️ 情景例句
OK, let's take a look.
好了， 让我们来看一看。
Finally, we came to an agreement.
最后我们达成了一致。
It has belonged to our family for a long time.
我们家有这件乐器已经很久了，