Light upon
（偶然）发现
🧩 词语组成解析
light
[laɪt]
n. 光;发光体;电灯;点火器;
adj. 轻的;明亮的;浅色的;少量的;
v. 点燃;照亮;用光指引;
adv. 轻地，轻装地;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
Are most of the lakes located in the north central region?
大多数湖位于向北中央的区域吗？
Someone is ringing the bell.
有人在按门铃。