长草坪上长满了三叶草和苜蓿，也有很多雏菊。
伊莱克斯三叶虫等吸尘机器人，就是很好的例子。
This approach is exemplified by vacuuming robots such as the Electrolux Trilobite.
例如，彼得·谢尔登对于三叶虫的研究，那是一种已灭绝的身体分节的海洋生物，他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。
For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
蜜蜂在三叶草丛中嗡嗡作响。
在这项研究中，观察到八种不同的三叶虫，每一种都经历了身体节数的逐渐变化。
In that study, each of eight different trilobite species was observed to undergo a gradual change in the number of segments.
蕾丝设计包含玫瑰、蓟、水仙花和三叶草——英格兰、苏格兰、威尔士和北爱尔兰的象征。
The lace design incorporated rose, thistle, daffodil, and shamrock—the emblems of England, Scotland, Wales and Northern Ireland.
他飞奔过宅前的三叶草地冲向河边，他知道那里的河堤上有一条独木舟。
He sprinted through the clover fields in front of his mansion toward the water, where he knew a pirogue lay on the levee.
我没有三叶草，但我手捧希望。
三叶草是绿色的，它代表着“幸运”；
地球上的大洋曾经到处都是类似于马蹄蟹的生物-三叶虫。
The earth's oceans were once filled with horse shoe crab-like critters called trilobites.
人们相信，偶然发现四个瓣的三叶草是一种幸运的象征。
It is believed that to accidentally find a four-leaf clover is a sign of good luck.
她珍爱与车独处的时间，安享带来路边三叶草甜蜜芳香的微风。
She cherished her time in the car alone, reaching into the wind for roadside stalks of fragrant sweet clover.
炒饭里放了很多葱花，颜色变得像三叶草奶昔，炒饭是冲淡辣味的上好选择。
Fried rice, cooked with so much finely minced scallion that it turns the color of a Shamrock Shake, is a superb mop for fiery sauces.
200多万年前的马蹄蟹化石，与今天的马蹄蟹几乎完全相同：它们是三叶虫最近的亲戚。
Horseshoe crab fossils over 200 million years old are almost identical to contemporary animals: They are the closest living relatives of the trilobites.
这株四叶草藏身于很多三叶草之中，草地上有很多彩色的猪，其中一只还戴着礼帽。
The four leaf clover is disguised between other three leaf clovers and multi-coloured pigs - and there is even one pig in a top hat.
不过倘若这样的解释是正确的，三叶虫和它的同类由何而来的问题将仍然神秘晦涩，一如往昔。
Yet if that is the right interpretation, it leaves the question of what evolved into the trilobites and their kind as mysterious as ever.
褐色的原野已披上了夏装，绿色的，芬芳的三叶草已经冒出地面，庄稼预示着丰收在望。
The brown fields clothed themselves with a summer garment, the clover sprang up green and luscious, and the crops showed good promise for the future.
大部分在古生代岩层中发现的化石都是没有脊骨的无脊椎动物，例如珊瑚、软体动物和三叶虫。
Most of the fossils seen in Paleozoic rocks are invertebrate animals lacking backbones, such as corals, mollusks and trilobites.
三叶草实际上是一种野生植物，它的花朵形状如同棉花球，通常在每一支梗上有三片叶子。
Clover is actually a type of wild plant with flowers shaped like cotton balls and usually has three leaves on each stem.
按照今天的标准，即使是简单的三叶虫，它的眼睛(完美的双镜头系统)也是一个光学奇迹。
Even the simple trilobite has an eye (complete with its double lens system) that's considered an optical miracle by today's standards.
当Bryant检测样品中的花粉时却发现了三叶草和野花花粉的数量远远超过了少量的黑莓花粉。
When Bryant concluded his examination of the pollen in this sample he found clover and wildflowers clearly outnumbering a smattering of grains of blackberry pollen.
当Bryant检测样品中的花粉时却发现了三叶草和野花花粉的数量远远超过了少量的黑莓花粉。
When Bryant concluded his examination of the pollen in this sample he found clover and wildflowers clearly outnumbering a smattering of grains of blackberry pollen.
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