她哥哥正在做作业 Her brother is doing homework
她正在做作业
She is doing her homework
以上为机器翻译结果，长、整句建议使用 人工翻译 。
她正在做作业，双脚搭在长凳上。
She is doing her homework, with her feet on the bench.
youdao
她正在做作业。
She's doing her homework.
昨晚她正在做作业，电灯突然熄了。
Last night she was doing her homework when the light went out.
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