Corguide
康宁低耗光缆
🗣️ 情景例句
He keeps himself fit by running 5 miles every day.
他每天跑五公里以保持身体健康。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
The things on show were all used a hundred years ago.
展出的都是100年前使用的东西。