Gradients
n. 道路的斜度( gradient的復數形式 ); 坡度; 變化程度; （溫度、壓力等的）變化率
??? 情景例句
If you stick to the truth, you'll have nothing to fear.
如果你堅持真理，就會無所畏懼。
If he doesn't take care of him, I will.
如果他不，我將照顧他。
Beijing will be rainy. The temperature will be 2 to 9.
北京有雨。氣溫2C~9C。