Vistacon
[美]铅靶管, 氧化铅视象管
🗣️ 情景例句
What broke up their friendshop?
是什么破坏了他们的友情呢？
My little brother takes a bath before he goes to bed at night.
在他晚上睡觉以前，我的弟弟要洗一下澡。
When you have found a building in which to start your school.
你找到开办学校的楼房后