Light pen
其它 Other[计] 光笔
📖 牛津释义
light pen
(computing 计) (also wand) photoelectric device, shaped like a pen, that can communicate with a computer either by making marks on the screen of a visual display unit or by reading the pattern of a bar code 光笔（人机通信光电装置, 呈笔形, 可用以在屏幕上作记号或读条形码）.
🧩 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;
pen
[pɛn]
n. 笔，笔尖;笔法，文笔;作家;围栏;
vt. 写;把…关入栏中;关押，囚禁;
🗣️ 情景例句
And, Mr. Stewart, what is your occupation?
那么 ，Stewart先生， 你的职业呢？
His wife died a year ago. Now he lives alone.
他妻子去年去世了。现在他一个人住。
You two seem to know each other.
你们俩似乎认识。