Strobolamp
旋光试验灯
🗣️ 情景例句
What did he say? Did you tell him about me?
他怎么说？ 跟他谈到我吗？
My brother is twice as tall as your sister.
我弟弟比你妹妹高一倍。
What kind of problem.
什么样的问题呢？