当他进来时,我正在思考一道数学题 英语翻译
问题描述：
当他进来时,我正在思考一道数学题 英语翻译
答
when he was coming ,i was thoughting a Maths problem
当他进来时,我正在思考一道数学题 英语翻译
when he was coming ,i was thoughting a Maths problem