Mathml
数学标记语言（mathematical markup language ）
🗣️ 情景例句
Sit down, Susan.
坐下， Susan。
What is the total circulation of this journal.
这份报刊总发行量多少？
the first group began to show some personality disorders while the others seemed more or less unaffected.
结果，第一组人开始出现性格失常，而第二组人似乎没受什么影响。