Methylthionine
chloride [化]亚甲蓝
🗣️ 情景例句
You ready for the next problem?
你准备好做下一道题了吗？
When you called me, I was eating dinner.
当你打电话给了我时，我正在吃晚饭。
Well, which would you prefer?
那么，你觉得那个时间更好些呢？