Gradgrinds
(Gradgrind 的复数) n.葛擂硬(狄更斯小说《艰难时世》中的人物)
🗣️ 情景例句
Let's tie the knot.
我们结婚吧。
Does the back door have a lock on it?
后门上有锁吗？
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。