bound

复数：bounds过去式：bounded过去分词：bounded现在分词：bounding第三人称单数：bounds

1. vi. 跳; 弹回 jump or bounce
2. vt. 定界限,为…的界限,限制 mark or form the boundaries or limit

1. [C]跳,跳跃,跃进 a jump or leap
2. [P]界限,范围limits

1. 被捆绑的,被束缚的 tied together
2. [P]一定的,必定的 certain to do sth
3. [P]去,准备去 going or ready to go in the direction of

• bound swiftly迅速地跑跳着
• bound away跳着跑开
• bound back(球)弹回

• bound down the hillside从山坡上滚下来
• bound on在…接界
• bound on the north by Canada北边与加拿大接壤
• bound to与…接界
• bound with joy(心)因高兴怦怦直跳

• exceed the bound超出…范围
• pass the bound超出…范围

• violent bound猛跳

• at bound一跃
• beyond bound超出…的范围
• by leaps and bound飞快地
• on bound在弹起时
• on sb's bound在某人的宅界
• out of bound出界,不可能,禁止

• bound up忙于…,热衷于…

• bound for开往…
• bound from...to从…开往…
• bound in duty有义务必须做
• bound on a journey在旅行途中
• bound to被束缚在

upper bound上界；最大值

bound for开往…

be bound by受…约束；由…联系起来

lower bound下界

bound with与…合订；与…有共同的境界；（因喜悦等而）雀跃

bound up with与…关系密切

branch and bound分支界限法；界定法

bound water束缚水；结合水；化合水

within bounds adv. 在允许范围内

duty bound有责任（做某事）；感到应该

outward bound拓展训练；驶出的；开往国外的

be bound in(书籍)封面是用…装订的

bound on猛扑

in duty bound有责任（做某事）；感到应该

bound up in专心，沉迷于，忙于

know no bounds无限；不知限量

bound state束缚态

bound volume合订本

1. It's bound to rain soon.
   过一会儿肯定会下雨。
2. You are not legally bound to answer these questions.
   在法律上，你没有义务非回答这些问题不可。
3. We are bound hand and foot by the contract, so we are unable to help you.
   我们受到合同的约束而不能帮你。
4. He bought a bound volume of the magazine.
   他买了一本该杂志的合订本。

1. The dog bounded down the hill.
   狗跳跃着朝山下跑去。
2. Polly came bounding into the room holding a letter.
   波利手上拿着一封信,蹦蹦跳跳地跑进了房间。
3. He predicted that the stock market would be sure to bound ahead.
   他预测股市肯定会一路猛涨。

1. With one bound, he was over the wall.
   他纵身一跃就跳过了墙。
2. He reached popularity at a bound, while still a youth.
   当他还很年轻的时候,就一举成名了。
3. I will try my best within the bound of my abilities.
   我将在我的能力范围内竭尽全力。
4. There are no bounds to his ambition.
   他的野心是无止境的。