Gradients
n. 道路的斜度( gradient的复数形式 ); 坡度; 变化程度; （温度、压力等的）变化率
🗣️ 情景例句
The birthday dinner was held at a five-star restaurant.
生日宴会在一个五星级的宾馆里举办。
You should wear a heavy coat, It's below zero today.
你应该穿一件厚大衣，因为今天在零度以下。
I'm sorry, Lucy.I'm afraid that I can't get up.
对不起，露西，恐怕我站不起来。