Lightpens
(lightpen 的复数) n. 光笔（计算机的一种输入设备）
🗣️ 情景例句
He was killed on the spot.
他当场被杀。
He has majored in biology.
他专供生物学。
would be like trying to meet a friend in London without a pre-arranged rendezvous and absurdly wandering the streets in the hope of a chance encounter.
就如同去伦敦见一位朋友，事先未约定地点，而荒唐地在街上游逛，以期待碰巧遇上一样。