Now we learn, of course, by the second half of this line ; that it has to be the uncouth swain who rose and twitched his mantle blue; but for a moment the "he" in line 192 seems to be able to refer to either the poet or the sun.

现在我们要学习这句话的第二部分,这里的太阳指代的是那个年轻人;,但是某一刻，在192行的“他“,似乎指的是诗人自己亦或是太阳本身。

耶鲁公开课 - 弥尔顿课程节选

The force may taper off, the force may not be given by a straight line, but for modest deformations, every spring will have a linear regime in which the force is linearly proportional to the stretching.

它产生的力可能会渐渐消失,力的曲线可能不是一条直线,而有轻微的弯曲,每个弹簧都有一个线性区间,在这一区间内,力和伸长量是线性关系

耶鲁公开课 - 基础物理课程节选