twice a day

twice a day twice a day 怎么读 twice a day 中文是什么意思 twice a day是否等于twice per day 能说twice every day I brush my teeth twice a day对twice提问 He swims twice a day.对twice提问 I brush teeth twice a day.对twice提问 He brushes his teeth twice a day .用twice提问 Tom b_____ his teeth twice a day. I brush my teeth twice a day Water the flower twice a day. Jim_____(brush)his teeth twice a day