Concentration gradiant
[电] 浓度梯度
🧩 词语组成解析
🗣️ 情景例句
I'd love the crab salad.
我要蟹肉沙拉。
The restaurant is upstairs.
那餐厅在楼上。
After that they pressed a piece of paper on top, and printed a whole page of a book.
然后，再把一张纸压在上面，就印出了一整页书。