rung

n.

阶梯，梯级；（地位等的上升）一级；（椅子等）横档；

v.

把…圈起来( ring的过去分词)；

复数：rungs

ring road环形公路

ring in包围；用考勤钟打下个人上班的时间；与…通电话

ring with充满…声音；回荡着

outer ring外环

ring the bell鸣钟；按门铃

diamond ring钻石戒指，钻戒

piston ring[机]活塞环

wedding ring结婚戒指

ring for按铃，摇铃；召唤某人

inner ring内圈，内环

sealing ring密封环；对闭砂条；垫圈

ring rolling环轧，环锻

ring spinning环锭纺纱

seal ring n. 印章戒指

key ring钥匙环

ring finger无名指

ring laser环形激光器，环式激光器

engagement ring订婚戒指

ring a bell使某人想起某事，使人回忆起

gold ring金戒指

1. Hold the ladder tightly and move up a rung at a time.
   抓紧梯子一级一级地往上爬。
2. Finally, envision yourself climbing the ladder and writing down the pairs of letters that make up each rung.
   最后，想像自己正在爬梯子，将构成每对字母的梯级写下来。
3. He put his foot on the bottom rung to keep the ladder steady.
   他用脚踩住最底下的横档稳住梯子。
4. "Get out!"he exclaimed, lifting his feet to the rung of the chair
   “滚开！”他大声叫道，提起了双脚，搁在椅子下面的横档上。
5. He is still on the bottom rung of the political ladder.
   他尚处于政治阶梯的最低一级。
6. The director made his son start on the bottom rung of the ladder as an office boy.
   董事让他的儿子从最低级的职员做起。

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