短语词组短语down the round 真便宜buzz come down go round 流传Sit down 'round the fireplace 就坐在火炉边好了mock up down round 筹措聚集聚资金金首轮round down -draft kiln 倒焰圆窑round down key 下舍入键round down function 舍去功能round down lamp 圆形筒灯 返回 down round