Precategory
预范畴
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
Their son will start college in September.
他们的儿子将于九月份开始上大学。
They ask question like Li Lei, is it in your right hand?
“李磊，橡皮擦在你右手里吗？”