Isogradient
等梯度线
🗣️ 情景例句
Is this the bus that goes by the mall?
这班公共汽车经过商业街吗？
He is planning his future already.
他已经在为将来做打算了。
For lunch I had noodles, salad and later a peach.
午餐我吃了面条、色拉，后来还吃了只桃子。