“我在高二、三班，我班有五十个学生，三十名男生，二十名女生。”用英语翻译

I am in Class Two ,Grade Three.There are fifty students in our class ,including thirty boys and twenty girls.

I'm in Class 3, Senior 2, there are fifty students, among which there are 30 boys and 20 girls.

I am in Class three,Senior two,where there are fifty students,thirty of who are boys.