详细解释
碴
1、剃后残余或复生的短毛发;胡子丛生的样子
胡子拉碴：形容满脸胡子未加修饰。
碴
1、小碎块
冰碴
玻璃碴
2、器物破口上的残缺部分。
崭新黑漆的车,把头折了一段,秃碴碴的露着两块白木碴儿,非常的不调和,难看。---老舍《骆驼祥子》
3、皮肤被碎玻璃、瓷片等划破
例句
他头发蓬乱，脸上胡子拉碴。
He had long unkempt hair and a stubbly chin.
小心别让碎玻璃碴了手！
Mind you don't cut yourself on the broken glass!
我的鞋都碴湿了。
My shoes got soaked as I trudged along.
弄一筐石灰碴来替我堵上这窟窿。
A hod of plaster for me to stop this hole with!
他胡子拉碴，看上去脸色苍白。
He was unshaven and looked pale.
法律就是导师在每节课上找你的碴。
Law is about a tutor shooting you endlessly every time you attend her tutorial.
我们最好快点把玻璃碴子扫干净。
We'd better sweep up all the bits of broken glass quickly.
屋外，马路上尽是些玻璃碴。
Outside, the road was peppered with glass.
他没有做作业，他总是找怀特小姐的碴。
He never did his homework, and he was always in trouble with Miss White.
最后她可能会选一个无聊的胡子拉碴的。
She's much more likely to end up with a boring one with a straggly beard.
借由我的测定设备，我检查溶碴和转轮。
With my measuring equipment, I checked the sprue and runner.
他们有一些碴准蠢银餐具。
They have sterling silver cutlery.
铁轨在道碴上搁得很稳。
The rail beds well on the ballast.
铁路建造和维护设备。道碴清理机。规范。
Railway track construction and maintenance plant. ballast cleaning machine. specifications.
铁路道碴，将载入碴列车在一个既定的镇流器偏袒。
Railway ballast will be loaded onto ballast trains at an established ballast siding.
一个年过八旬的老汉，这会儿正沿着铁路在捡煤碴。
A man of eighty was picking up lumps of coal along the railroad.
他胡子拉碴，个头很高，大概比我还高，显然被吓坏了。
He was unshaven and tall, or taller than me, and he was clearly shaken.
如果你对她的话完全同意，那她就会碴的像二五八万。
If you agree to all her likes, she is abusing.
本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。
A method of buffer blasting used in the open pit is presented in this paper.
采用稳态比较法，对铁路碎石道碴层的导热系数进行了测试。
In this paper, the thermal conductivity of railway ballast is measured by steady comparison method.
在车顶盖的下面坐着个胡子拉碴的人，赶着这辆车往前爬行。
A big stubble-bearded man sat between the cover flaps and drove the crawling team.
对于道碴供应的支付，应以道碴每立方米的单价为基础进行支付。
Payment for the supply of ballast will be made on the basis of the unit rate per cubic metre for ballast .
本研究结果为金矿开发废碴的环境管理和酸化控制提供了科学依据。
Those results provided scientific basis for environmental managements and remediation on gold mining discarded rocks and tailings.
洁齿线：一种上蜡或未上蜡的用于去除牙齿上的食物残碴和牙斑的线。
Dental floss: a waxed or unwaxed thread used to remove food particles and plaque from the teeth.
说话间他会扬起他那胡子拉碴的下巴，似乎在沉思那些令他不快的事实。
Between sentences he would work his stubbly chin as if chewing on unpalatable facts. Then he'd sing.
搬运大批的道碴需要沿一个区段的两个进入点，间隔距离约为2。5英里。
The operation for hauling bulk ballast will need two access points along a segment at approximately2.5mile intervals.
文章介绍了围岩在TBM刀具作用下，不同地质条件下形成的岩碴的状态。
In this paper, the state of rock debris cutted off by TBM in different geological conditions is presented.
文章介绍了围岩在TBM刀具作用下，不同地质条件下形成的岩碴的状态。
In this paper, the state of rock debris cutted off by TBM in different geological conditions is presented.