它俩的意义和用法和用法如下，可以自己试着分析下，看看它俩各自用在什么地方：
一、bump
vt.
撞; 碰; 击
撞伤
[美俚]杀死, 谋杀
把...排挤掉
解雇; 拒绝; 投票反对
提高(哄抬)物价
The voters bumped the senator and elected his rival.
选民们不选那位在职的参议员而选了他的对手。
习惯用语
a bump on a log [美口]呆头呆脑的人, 乏味的伴侣
bump into意外碰到; 偶然遇到
(one's) bump of locality 辨别方位的能力
bump off [俚]杀死, 干掉; 用力推开
bump up 突然增加; 提高
bumped up [口]骤然升到高位的; 担任有名无实职位
To bump into sb.
偶然遇到某人。
They bump off the landlord.
他们杀死了地主。
A sudden loud blow or bump.
砰然作响发出砰一声的猛击或猛撞
Bump up the price of gasoline.
抬高汽油的价格
How nice to bump into you!
碰到你真高兴！
A small lump or swelling; a bump.
凸出，隆起一个小的突起或肿块；隆起
Heard a loud bump in the dark.
在黑暗中听见一声清晰的碰撞声
the bump threw him off the bicycle.
彗星在撞击中破裂成碎片。
The two children collided with a bump.
两个孩子砰的一声撞上了.
To strike heavily and often repeatedly; bump.
重击沉重并且通常是反复地打击；
二、
collision
n.
（车、船的）碰〔互〕撞， (利益， 意见的)冲突， 抵触， (政党派系之间的)倾轧
振动， 跳跃， 颠簸
打〔冲〕击， 截击（空中目标）
collision at sea
海上碰撞
习惯用语
come into collision with 和... 相撞〔冲突， 抵触〕
in collision with 和... 相撞〔冲突〕
收起更多词典展开更多词典
现代英汉词典collision
n.
碰撞；冲突；互撞事件
a collision between two trains
一次两列火车相撞事件
简明英汉词典collision
n.
碰撞, 冲突
柯林斯英语大词典查词历史bumpmacchinettaMacchiatt父母官cherrycherryaderackrackedpublic show简明扼要collision
[k?ln]
n
a violent impact of moving objects; crash
the conflict of opposed ideas, wishes, attitudes, etc
a collision of interests
an event in which two or more bodies or particles come together with a resulting change of direction and, normally, energy
柯林斯词典说明
收起更多词典展开更多词典
WordNetcollision
collisions
Noun
1. (physics) an brief event in which two or more bodies come together; "the collision of the particles resulted in an exchange of energy and a change of direction"
(synonym) hit
(hypernym) contact, impinging, striking
(derivation) collide, clash
(classification) physics, physical science, natural philosophy
2. an accident resulting from violent impact of a moving object; "three passengers were killed in the collision"; "the collision of the two ships resulted in a serious oil spill"
(hypernym) accident
(hyponym) fender-bender
(derivation) collide, clash
3. a conflict of opposed ideas or attitudes or goals; "a collision of interests"
(hypernym) dispute, difference, difference of opinion, conflict
(derivation) clash, jar, collide
We agree to comply with the copyright notice and statements mentioned in WordNet license. 百科collision
词性及解释
n. 碰撞, 冲突, 抵触
计 冲突
化 碰撞
医 碰撞, 冲突
经 碰撞
常用短语
the midair collision of two light planes; 两架轻型飞机在空中的碰撞；
the concussion caused by an explosion; 爆炸引起的冲击；
the crash of a car into a tree; 车撞毁在树上；
the impact of a sledgehammer on pilings; 长柄大铁锤砸木桩的碰撞；
felt repeated jars as the train ground to a halt; 火车突然停车时感觉到的持续的震动；
a series of jolts as the baby carriage rolled down the steps; 婴儿车滚落楼梯时一系列的簸晃；
experienced the physical shock of a sudden fall to hard pavement. 突然摔倒在人行道上经历的身体的震动
collision at sea 海上碰撞
accidental collision 意外碰撞
atomic collision 原子碰撞
billiard-ball collision 弹性碰撞
butting collision 列车尾追撞车（冲突）
central collision 对心碰撞
completely inelastic collision 物完全非弹性碰撞
displacement collision 位移碰撞
double collision 三列车冲突（两列相撞， 第三列撞入障碍处）
elastic collision 弹性碰撞
electron hole collision 电子-空穴碰撞
electron-phonon collision 电子-声子碰撞
endoergic collision 收能〔吸能〕碰撞
forward scattering collision 前向散射碰撞
generating collision 振动碰撞
hard-sphere collision 刚性环碰撞
head-on collision 正面冲突， 迎面冲撞
highway crossing collision 道口撞车事故
inelastic collision 非弹性碰撞
interparticle collision 粒子间碰撞
ionizing collision 电离碰撞
level-crossing collision 平交道口撞车
oblique collision 斜向碰撞
peripheral collision 周缘碰撞
quantum collision 量子碰撞
radar collision 雷达防撞； 雷达冲突
radiative collision 辐射碰撞
rear-end collision 尾追撞车， 尾追冲突
runaway collision 溜逸撞车， 溜逸冲突
slanting collision (在道岔处)侧面冲突
strongly damped collision 强阻尼碰撞
ternary collision 三元碰撞
thermalizing collision 热碰撞
differential collision cross section
微分碰撞截面
I had a collision.
我撞车了。
collision between particles in plasma
等离子体中的粒子碰撞
heavy ion deep inelastic collision
重离子深部非弹性碰撞
An entanglement or a collision.
缠结，碰撞
any violent blow or collision.
任何一种猛烈的打击或碰撞。
Collision has started the seams.
撞击已使接缝裂开了。
The collision foundered the ship.
撞击使该船进水沉没。
A collision followed by a rebound.
撞击弹回撞击一下再弹开
To undergo a serious vehicular collision.
撞车经历一次严重交通工具相撞