bounds英文

boundary常用词汇

英 ['baʊndri] 美 ['baʊndri]

n. 边界；分界线。

We crossed the state boundary at midnight.

我们在午夜穿过了州界。

They marked the boundaries of the football fields.

他们画出了足球场地的边界。

辨析：

boundary, border, bounds, limit

这组词都有“疆界”“边境”“界限”的意思。与boundary和border相比, limit是最普通用词,含意较广,可用于任何最外面的限度、范围、分界等。

bounds通常表示的不是看得见的边界(线),而是用于比喻意义,指人的行为; boundary主要用来指领土,尤其是地图上表示的边界、分界线,也可用来比喻知识、欲望等抽象事物的界限; border通常强调两个地区之间的边境,指沿分界线一带的土地。

英语by leaps and bounds翻译是突飞猛进。

重点单词：leaps。

英 [liːps]；美 [liːps]

原型：leap

leaps into 跳进

leaps across 跨越

leaps to your feet 迅速站起来

1.Her mind moves in quantum leaps.

她的脑子飞快地转着。

2.The monkey leaps from branch to branch.

那猴子在树枝间跳来跳去。

bound (plural bounds)A sizeable jump, great leap. The deer crossed the stream in a single bound. Derived termsby leaps and bounds Translationssizeable jumpboundingto bound To leap, move by jumping. The rabbit bounded down the lane. Derived termsrebound Translationsto leapto jump(intransitive) To propel oneself rapidly upward such that momentum causes the body to become airborne. The boy jumped over a fence. (intransitive) To cause oneself to leave an elevated location and fall downward. (intransitive) To employ a parachute to leave an aircraft or elevated location. (intransitive) To react to a sudden, often unexpected, stimulus (such as a sharp prick or a loud sound) by jerking the body violently. 综上，表示跳跃的意思时bound与leap同义，指大幅度的跳跃，且在方向上应以横向移动为主。jump是跳的总称，方向、力度不受限制，也可以往上、也可以往下跳。