Mathml
数学标记语言（mathematical markup language ）
🗣️ 情景例句
against Boswell, Ellen.
和Boswell对抗， Ellen。
This part of the country is very flat.
这个国家这一部分很平坦。
Like his father, he was driving a car called Bluebird.
同他父亲一样，他也驾驶着一辆名叫“蓝鸟”的汽车。