Lightpen
n. 光笔（计算机的一种输入设备）
🗣️ 情景例句
Don't let it get you down. it will be over with soon.
别为此烦恼。 事情很快就会过去的。
Which train do I take to Philadelphia?
去费城乘哪趟车？
Oh ,dear! she said.
“天哪！”她说。