详细解释
淤
1、(形声。从水,於(yú)声。本义:水中沉淀的泥沙)。
2、同本义。
春夏干燥, 少水时也, 故使河流迟, 贮淤而稍浅。 ---《汉书》
淤滩：淤泥形成的滩地
引淤肥田
3、泥沙冲积成的地带。
楚人种麦满河淤,仰看浮槎栖古木。---宋·苏轼《河复》
4、将含有大量淤泥的河水引入低洼地,令其沉淀以改良土壤。
阳武县民邢晏等三百六十四户言。”田沙碱瘠薄,乞淤溉…以助兴修。---《宋史·河渠志》
5、又如：淤田(用水将淤泥引入农田);淤溉(引含有大量淤泥的水灌田,使淤泥沉淀,以改良土壤,增加肥力)。
6、滞塞,不流通。
淤,淀滓浊泥也。---《说文》。字亦作“阏”。
渠成而用溉注填阏之水。---《汉书·沟洫志》。注:“阏,读与淤同…填阏,谓壅泥也。”
淤涌：淤塞的水流
淤停：水淤积不流
淤阏：堵塞。水流不通。
例句
水渠里淤了很多泥沙。
The channel is almost choked with silt.
我的臀部有几处淤伤。
I had a few bruises on my rear end.
托尼结果除了一个手指严重淤青外，没受别的伤。
Tony emerged unscathed apart from a severely bruised finger.
要是我父亲看见我身上的淤伤，他会大发雷霆的。
My father would go nuts if he saw bruises on me.
她从翻了的车里钻出来，只擦破一点皮，碰了几块淤青。
She emerged from the overturned car with only a few scrapes and bruises.
“下水道淤泥”，是指经城市污水处理厂产生的淤渣，包括预处理的废物、污垢和性质不稳定的淤泥。
"Sewage sludge" means sludge arising from urban effluent treatment plant and includes pretreatment waste, scourings and unstabilised sludge.
在酸中形成淤渣，妨碍贮存和运输。
Sludges forming in the acid interfere with storage and handling.
她的前额，落到她冰冷淤伤的肩膀上。
Back off her forehead, onto her cold and bruised shoulders.
代价是你使用的时候会不停受到淤伤。
The tradeoff is that you take nonlethal damage when you invoke it.
这条河淤满了沙子。
The river filled up with sand.
Alex一条腿淤青了。
She suffered a bruised leg.
血肿由于血管破损而引起的局部积血淤肿。
A localized swelling filled with blood resulting from a break in a blood vessel.
他打她，好像不止一次，她身上有多处的淤伤。
He hit her, possibly more than once. She had multiple bruises.
在制造过程中，对淤浆内的粘结剂进行固化。
A binder within the slurry is cured during fabrication.
这些淤青变得比昨天更糟糕了，有些还是绿色的。
The bruises look even worse than they didyesterday. Some of them are greenish.
这会造成皮肤下微小血管破裂-从而导致淤青。
This causes small blood vessels under the skin to burst - causing the bruise.
那个高大强壮的男孩子一拳把他打得鼻子淤黑了。
A blow from the tall, strong boy left a black and blue mark on his nose.
她脸上的淤紫和肿胀，只能是头部受到重击造成的。
Only a heavy blow to the head could have left such abruised and swollen face.
他的脸上也满是淤青肿胀不堪，看起来几乎没个人样。
His face was so bruised and swollen that he hardly looked human.
是的，每次一擦伤或者撞到什么东西我就有淤青了。 。
Yes, every time I scrape myself or bump into something I get bruised.
照片上的她，身在医院，眼神惊恐，脸部淤紫、肿的很大。
Photographs taken of her inthe hospital revealed a woman with haunted eyes, a bruised and horribly swollencheek.
几个月里，他的嘴唇不会再破裂，血迹、淤青、污垢也会消失。
In a few months his lips won't crack, the blood and bruises and grime will be gone.
即使是最严重的淤伤有一天终会消退；受伤灵魂的撕裂确是永远的。
Even the blackest bruises one day fade; a scarred soul is torn forever.
在悲剧前一天毕茜茜曾到伦敦见一个朋友，后者注意到了她脸上的淤青。
Thee day before her death Bi Xixi traveled to London to see a friend who noticed bruising on her face.
而且在整个旅途中，除了偶尔的擦伤和淤青之外，也没有发生严重的事故。
And there haven't been any bad accidents beyond the occasional scrapes and bruises.
优化后的泵淤固堤技术，经济合理，效率高，适宜在堤防加固中推广应用。
Optimized pump silting strengthening levee technique is reasonable in economy, efficient and suitable for extension and application in levee strengthening.
她本想拿沙发上的靠垫挡住自己的脸，但是他还是看见了那些淤青和红肿。
She tried to hide her face with a pillow from the couch, but he saw the bruise and the swelling.
他曾经打断过牙齿，全身淤青，但他却将这看作是自己所取得成绩的标志。
He broke a tooth and got bruised everywhere, but took the damage as a symbol of his accomplishments.
他曾经打断过牙齿，全身淤青，但他却将这看作是自己所取得成绩的标志。
He broke a tooth and got bruised everywhere, but took the damage as a symbol of his accomplishments.