If left unchecked, weeds will flourish.
如果不加遏制，杂草就会疯长。
Weeds grew through the cracks in the paving.
杂草从铺石路面的缝隙中长出来。
The garden's completely overgrown with weeds.
花园里长满了杂草。
Their garden is a wilderness of grass and weeds.
他们的花园杂草丛生。
The insecticide used on some weeds can cause health problems.
喷洒在野草上的杀虫剂会引发各种健康问题。
We hurried on until we reached a courtyard overgrown with weeds.
我们一路急行，直到来到一个杂草丛生的庭院。
With repeated applications of weedkiller, the weeds were overcome.
反复的施除草剂后，杂草终于被消灭了。
As an additional safeguard against weeds you can always use an underlay of heavy duty polyethylene.
作为另外一种预防杂草的防护措施，你可以一直使用一层厚重耐磨的聚乙烯底垫。
Drivers ran into a field of weeds at the state border, where no link with the neighbouring state had yet been planned.
司机们闯入了州界处一块杂草丛生的原野，在那里还没有计划修建连接邻州的道路。
He curled down in the weeds and soon began to snore.
他蜷曲着身子躺在杂草上，不久就打起呼噜来。
Deserts were tidy because there were no weeds in them, nothing that crawled.
沙漠很整洁，因为里面没有杂草，没有爬行的东西。
Many of the strongly opportunistic plants are the common weeds of fields and gardens.
许多非常机会主义的植物都是田野和花园中常见的杂草。
Islands are made from packed earth and weeds and material from the bottom of the lake.
岛屿是由堆积的泥土和杂草以及湖底的物质构成的。
"If I have a spade," she whispered, "I can make the earth nice and soft and dig up weeds."
“如果有把铲子，”她低声说，“我就能把地弄得又软又漂亮，还能把杂草挖出来。”
It is crucially important to farmers that the herbicides they use to control weeds not damage their crops.
对农民来说至关重要的是，他们用来控制杂草的除草剂不能损害他们的庄稼。
The use of herbicides and intensive forms of agriculture means that fields of wheat and barley now have few weeds.
除草剂的使用和集约型农业使得现在小麦和大麦麦田里几乎没有杂草。
Coffee without bread could never honestly serve as supper, and there were no weeds in the park to eat as the spinach.
光有咖啡没有面包根本就算不上是晚餐，公园里也没有杂草可以当菠菜吃。
Farmer ants secrete antibiotics to control other fungi that might act as "weeds", and spread waste to fertilise the crop.
农民蚂蚁分泌抗生素来控制其他可能充当“杂草”的真菌，并传播排泄物来给作物施肥。
Other machines would distinguish problem weeds from crops and eliminate them with shots from high-power lasers or a microdot of pesticide.
其他的机器将有问题的杂草从农作物中区分出来，然后用高能激光照射或农药微粒来消灭它们。
Perhaps it is time for farmers to put their feet up now that robots are used to inspect crops, dig up weeds, and even have become shepherds, too.
现在，机器人已经被用来检查作物、铲除杂草，甚至还能牧羊，也许农民是时候停下来休息了。
A company plans to develop a prototype weeding machine that uses cutting blades with optical sensors and microprocessors that distinguish weeds from crop plants by differences in shade of color.
一家公司计划开发一种原型除草机，它使用带有光学传感器和微处理器的刀片，通过颜色的深浅区别杂草和作物。
Farmers can use the spray to kill weeds without harming the soy crop.
农民们能用喷雾器来除草而不伤大豆作物。
杂草很少。
Mr. Brown's students pulled weeds out of the garden beds.
布朗先生的学生把杂草从花园里拔走。
Maybe you can pull weeds (草) out of the flower garden.
或许你可以除一下花园里的杂草。
You can guess what happens—more "weeds" grow as the child gets older.
你可以猜到会发生什么——随着孩子年龄的增长，会有更多的“杂草”生长起来。
Look at the picture here. It looks a bit like weeds in a garden, doesn't it?
看看这张照片。它看起来有点像花园的杂草，对吗？
He explained our basic task, the tractor fired up and we were off, riding down the field looking for weeds to spray with chemicals.
他向我们解释了我们的主要工作：拖拉机发动起来，我们就出发，沿着田野寻找可以喷洒化学药剂的杂草。
This happened over and over, but we soon learned to identify different grasses like cockleburs, lamb's-quarters, foxtails, and the king of weeds, the pretty purple thistle.
这样的事情发生了一次又一次，但我们很快就学会了识别不同的草，如苍耳、藜、狐尾草，以及杂草之王——漂亮的紫色蓟草。
Plows cut into the ground, and lift up weeds, and other unwanted plants.
用犁把地犁开，拔除杂草和其他不需要的植物。
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