Work upon
公共 Public对...起作用；影响
🧩 词语组成解析
work
[wɝk]
vt.& vi. 使工作;使运作;操作;使产生效果;
n. 工作，操作;著作;工厂;行为，事业;
vt. 使工作;操作;经营;使缓慢前进;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
Couldn't we wait until I'm famous?
难道不能等到我成名了再说吗
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，