bān jiā / shí / wǒ men / yòng / píng bǎn chē / bǎ / jǐ ge / chén zhòng / de / zhǐ xiāng / yùn jìn / diàn tī搬家时,我们用平板车把几个沉重的纸箱运进电梯。While moving, we used a flatbed cart to take several heavy boxes into the elevator.