🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
lower
['ləuə]
adj. 下方的;在底部的;较低级的;
v. 降低;减少;缩小;
class
[klæs]
n. 班;等级;阶级;种类;
vt. 把…归入某等级，把…看作（或分类、归类）;把…编入某一班级;
adj. 很好的，优秀的，出色的;
vi. 属于…类（或等级），被列为某类（或某级）;
🗣️ 情景例句
I want to have a personal interview with him.
我想和他直接面谈。
If you command wisely, you'll be obeyed cheerfully.
倘君指挥有方，人人欣然听命。
It has been estimated that if the bridge were packed with cars, it would still only be carrying a third of its total capacity.
据估计，若桥上摆满了汽车，也只不过是桥的总承载力的1/3。