你们在一起多久
How long have you been together
以上为机器翻译结果，长、整句建议使用 人工翻译 。
你们在一起多久了？
How long have you been going out?
youdao
How long have you been together?
你们俩在一起多久了？
How long have been together?
How long have you two been dating?
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