Concentration gradiant
[电] 浓度梯度
🧩 词语组成解析
🗣️ 情景例句
This couple treats their adopted child as their own.
这对夫妇把他们的养子视如己出。
He's very fond of playing tennis.
他非常喜欢打网球。
No, I'm not. I'm Li Lei.
不是。我是李磊。