Rarefication
n. 变稀薄, 稀薄
🗣️ 情景例句
Can you boil some potatoes for me? I'm making potato salad.
你能帮我煮些土豆吗？ 我今晚要做沙拉酱。
You name it!
你说出来。
Is there a river in the picture?
画里有一条河吗？