It stood there on buckled wheels, wheezing and gasping with exhaustion from having to climb up the gentle slope to the camp, and I consigned myself and my loads to it with some fear.
它停在弯曲的轮子上,由于要爬上那平缓的斜坡到营地,累得喘不过气来,我带着几分担心,把自己和行李托付给它。
I found it hard to go up the slope.
我觉得上坡吃力。
If I follow this slope up to here, it'll intercept somewhere.
如果我按这个斜率上升到这,它会被截在某处。
How far along do I have to go drop off a - c when I have slope -2b?
斜率-2b的线还要经过哪个横坐标呢
Well look, here I have a line of slope -2b.
看一下这里,这条线斜率是-2b
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