Cities like Gdansk, which we tend to forget about, unfortunately, which is a very important port then and still now.

像格达斯克这样的城市,也就渐渐淡出了人们的视野,而其实,它在当时和现在都仍是,非常重要的港口

耶鲁公开课 - 欧洲文明课程节选

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