Concentration gradiant
[电] 浓度梯度
🧩 词语组成解析
🗣️ 情景例句
Shopping vouchers are ofter a good means of attracting customers.
购物优惠券是吸引顾客的好方式。
Being happy in my work is most important to me.
工作中开心最重要。
The list included most of the things Hugh loves: butter, potatoes, rice, beer, milk, chocolate; and sweets.
黄油、土豆、米饭、啤酒、牛奶、巧克力和糖果。