名词 rung:

1. a crosspiece between the legs of a chair

2. one of the crosspieces that form the steps of a ladder

rungn.阶梯；横档；(社会、职业、组织等的)阶层动词ring的过去分词.Rungia densifloran.密花孩儿草rung the knell ofv.给 ... 敲丧钟(宣告死亡)runge kutta method龙格 库塔法Rungia yunnanensisn.云南孩儿草Rungia stoloniferan.匍匐鼠尾黄Rungia taiwanensisn.台湾明萼草Rungia axillifloran.腋花孩儿草Runge- Kutta way龙格-库塔方法Rungia guangxiensisn.广西孩儿草Rungia pinpienensisn.屏边孩儿草

1. Dots on the three lowest rungs would indicate that the system possesses no internal energy.
   圆点在三个最低梯级上，就表示这个系统没有内能。
2. Just use the rungs and sides of the ladder as support for the vines.Let the pumpkins grow on the steps for further support.
   就用梯级或梯子的侧面作为藤蔓的支撑物，让南瓜在梯级上生长，获得支撑。