Perhalogeno-
[化] 全卤(代)(代替所有C上的氢)
🗣️ 情景例句
We'll call Mrs. Martinelli and tell her to keep looking for us.
我们会打电话给Martinelli太太告诉她继续帮我们物色房子?
I'll keep my eyes on.
我会留意的。
The tree has grown against a warm wall on a sheltered side of the house.
那棵树是靠着房子有遮挡的一面暖墙生长的。