By the 1920s, the weed was rampant.
到了20世纪20年代，杂草猖獗。
According to Mrs Kaiser Jamil of RRL, "The Argentinian weevil does not attack any other plant and a pair of adult bugs could destroy the weed in 4-5 days."
据RRL的Kaiser Jamil 女士所说：“这种阿根廷象鼻虫不会攻击任何其它的植物，并且一对成年的象鼻虫可以在4到5天内清除掉那些杂草。”
In order to eliminate the weed, biologists proposed treating infested parts of the lake with a certain herbicide that is nontoxic for humans and aquatic animals.
为了消除这种杂草，生物学家建议用某种对人类和水生动物无毒的除草剂来处理受感染的部分湖泊。
The farmer killed the weed with poison.
农民用农药除去了杂草。
As he crumples the flowering end of the weed in his hand, Nelson grimaces.
尼尔森苦笑着掐断手中杂草的花，把杂草弄死。
Working with Mark Mescher, Runyon and De Moraes studied how the weed finds its prey.
和马克·梅西尔，朗扬与德莫里斯一起学习杂草如何发现它的猎物。
A dedicated and passionate smoker for 30 years, I have given up the weed for this trip.
我是一个有三十年烟龄的铁杆瘾君子，为这次旅行戒了烟。
The researchers isolated a chemical in wheat that repels dodder. This could lead to new ways of fighting the weed.
研究人员从小麦中提取的一种化学物质可以抵制菟丝子，所以有可能找到新办法来抗击这种杂草。
The computed results indicate that when the weed density is below the threshold, no weed control should be required.
计算结果表明，当杂草密度低于阈值时，不需要防除。
The testing results show that the system can identify the weed and display the method of defending the weed exactly.
测试结果表明，该系统能够较准确地识别出农田杂草种类，并给出相应的防除方法。
The result indicated that, alfalfa seedlings grew well, the weed control efficiency of trifluralin reached above 90%.
结果表明，苜蓿幼株长势良好，氟乐灵对杂草杀灭率为90%以上。
The result further defined the relation between the different cropping systems or the farming way and the weed occurrence.
明确了关中西部麦田不同耕作制、耕作方式与杂草的发生关系。
One of the signatories was a senator whose appealingly husky voice may owe something to his own weakness for the weed-barack Obama.
其中有一个签名的参议员有着很有魅力的沙哑嗓音，也许也是拜他对烟草的溺爱所赐。他，就是巴拉克·奥巴马。
Meanwhile the weed were inhibited effectively, all of which provided a better condition for turnip to grow up and gained higher yield.
覆膜同时抑制了杂草的滋生，为芜菁生长提供了有利的生境条件，是芜菁获得高产的主要原因。
Because it is a new research filed to apply computer vision for weed-sensing, there are not mature theories to support the weed-sensing technology.
计算机视觉技术用于杂草识别是一个相当新的研究应用领域，目前理论和技术尚不成熟。
A labourer told us of what a friend of his had seen in a part of the woods that is called Shanwalla, from some old village that was before the weed.
有个工人告诉我们，他有个朋友在树林里一个叫珊瓦拉的地方看到过一些“东西”，那儿曾经是个古老的村庄，后来才荒废掉的。
Many parents and teachers have become irritated to the point of distraction at the way the weed-style growth of "like" has spread through the idiom of the young.
许多父母和老师已经对年轻人口中如荒草蔓延般的“like”烦不胜烦，根本听不下去了。
"When you change a resource in the environment," Ziska said recently, sitting in his compact office, "you are going to, in effect, favor the weed over the crop."
齐思卡说，“只要你在一个特定环境中改变了一种方法，到头来，你终究会帮助草类占了庄稼的上风。”
Especially during his stretches of famine he suffered from lack of the weed; but no matter how often he mastered the craving, it remained with him as strong as ever.
在饥饿的时候，他尤其想抽烟，想得难受；无论多少次忍住烟瘾，那瘾总跟过去一样，十分强烈。
In garden, the weed is sparse everywhere. It is not well-marked and doesn't impede the growth of vegetable, flower, and fruit tree, so the gardener doesn't weed with hoe.
园子里的草稀稀疏疏地生在各处，它们不是那么显眼，也不妨碍果蔬、花木的生长，所以园主没有动锄头清理它们。
Oaksterdam University in Oakland is today unique in the world as a sort of Aristotelian lyceum for the study of all aspects-horticultural, scientific, historical-of the weed.
如今，位于奥克兰的奥克斯特丹大学作为全球唯一的亚里士多德式学园，从种植、科学、历史等角度研究大麻的方方面面。
The surveys showed that the weed distribution in rice fields in Shanghai was obviously various due to the differences of soil type, acid-base scale and terrain between areas.
调查结果表明，由于地区间土壤种类、酸碱度、地势差异，上海稻田杂草的分布和危害有明显区域性。
The effect of predator, parasitoid, insect pest and neutral insect groups in the arthropod community in the weed habitat on the corresponding groups in the paddy habitat were varied.
杂草地生境节肢动物群落的害虫、中性昆虫、捕食性天敌和寄生性天敌亚群落对稻田生境相应亚群落的影响程度不同。
The infrared-transmitting (IRT) mulches provide the weed control properties of black mulch and are intermediate between black and clear mulches in terms of increasing soil temperature.
红外线透性薄膜有黑色薄膜那种控制杂草的特性，在增加土壤温度方面介于黑色与透明薄膜之间。
The process of making organically rich compost produces heat. This heat kills many, though not all, weed seeds.
制造有机堆肥的过程会产生热量。高温杀死了很多杂草种子，虽然不是全部。
I volunteered to weed the hospital garden.
我自愿给医院的花园除草。
I volunteered to weed the hospital garden.
我自愿给医院的花园除草。
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