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- 你们结婚已经多久了？
How long have you been married?
- 我们的储粮还能维持多久？
How long will our food supplies hold out?
- 她怀孕多久了？
How long has she been pregnant?
- 你已经等候多久了？
How long have you been waiting?
- 卸货需要多久？
How long will the discharge of the cargo take?
- 持续了多久？
How long did it last?
- 到你家要多久？
How long will it take to get to your house?
- 你在这里多久了？
How long have you been here?
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