Light pen
其它 Other[計] 光筆
?? 牛津釋義
light pen
(computing 計) (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 光筆（人機通信光電裝置, 呈筆形, 可用以在屏幕上作記號或讀條形碼）.
?? 詞語組成解析
light
[la?t]
n. 光;發光體;電燈;點火器;
adj. 輕的;明亮的;淺色的;少量的;
v. 點燃;照亮;用光指引;
adv. 輕地，輕裝地;
pen
[p?n]
n. 筆，筆尖;筆法，文筆;作家;圍欄;
vt. 寫;把…關入欄中;關押，囚禁;
??? 情景例句
Nonsense! How can you say that and keep a straight face?
胡說八道！你怎么能不動聲色說那些話呢？
Off base!
太離譜了吧！
It's not my fault.
不是我的錯。