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
I'll drive Susan, dear.
我送Susan ，亲爱的。
In Britain, there are open universities.
在英国，有成人大学。
'Hello, Nigel,' I said.'Fancy meeting you here!'
“你好，奈杰尔，想不到在这儿见到你。”我说。