Photodechlorination
光去氯(作用)
🗣️ 情景例句
We'll set up our tents over there by the edge of the woods.
我们在林边搭帐蓬。
Whose pen is this?
这是谁的笔？
Mr. And Mrs. Green have stockings, too.
格林先生和格林夫人也有长统袜。