Microgrooverecord
密纹唱片
🗣️ 情景例句
why you have so many problems with math.
为什么你在数学方面有那么多问题。
We must listen carefully to the teacher.
我们必须注意听老师说的话。
In 1860, a better plan was put forward by an Englishman, William Low.
1860年，一位名叫威廉。洛的英国人提出了一项更好的计划。