你多久洗一次头发
How often do you wash your hair
以上为机器翻译结果，长、整句建议使用 人工翻译 。
你的头发需要多久洗一次？
How often does your hair need washing?
youdao
我需要一本词典，因此我要去趟书店。(2)你的头发需要多久洗一次？(3)你不必每天洗车。
How often does your hair need washing? (3) you don't need to wash your car every day.
应用推荐
模块上移
模块下移
不移动