查询词典 weed

A new weed, Spermacoce latifolia Aubl. was found in cane field of Lincang area in Yunnan province in recent years. It is knows that the weed originally distributed in the tropic area of South America, and has invaded into the South part of Guangdong and Fujian provinces, Hainan province, Hongkong and Taiwang areas, and Wenlin area of Zhejiang Province.

近年来，临沧市部分蔗地发现一种新杂草，经实地调查和查阅相关资料，结果表明该物种是原产于南美洲热带地区，现已入侵广东南部、海南、香港、台湾、福建南部和浙江温岭一带的茜草科新归化种阔叶丰花草Spermacocelatifolia Aubl。

Grandfather planted flowers, while I also planted flowers. When grandfather pulled up weed, I also pulled up weed. When grandfather grew Chinese cabbage, I followed him covering the colza with soil.

当祖父下种，种小白菜的时候，我就跟在后边，把那下了种的土窝，用脚一个一个地溜平，哪里会溜得准，东一脚的，西一脚的瞎闹。

The dodder is one kind of annual autoecious weed of alfalfa, cosmopolitan weed quar ine object.

菟丝子是苜蓿田中最常见的一年生寄生性恶性杂草，是世界性的杂草检疫对象。

Although we have achieved great progress in the general control of the weed, there are also some serious problems in the harms of the weed, succession, drug-fast and the pollution of the herbicide.

农田杂草与农作物间进行着剧烈的竞争，表现在很多杂草根深叶茂，特别是旱区杂草根部深扎土中，对水分的吸收常大于作物。

Eupatorium odoratum is a poisonous, aggressive quarantine weed. It is widely distributed in warm and humid tropical regions including Southern America, Asia, Africa, Australia and other countries, which has now become a serious weed in south China.

飞机草Eupatorium odoratum是一种有毒、侵占性极强的检疫性杂草，广泛分布于南美洲、亚洲、非洲、澳洲30多个国家的热带地区，目前已侵入我国南方各省并肆孽成灾。

Mycorrhizal spores in most rhizospheric soil of weed species, except Vida cracca, TrfoHum npens and Oxalis cornculata, decreased significantly. 2 Influence of coexisting of various plant species on AMF colonization in Pb polluted soil Comparing with monoculture,the results showed mat diversity did not affect on die AMF colonization of weed plants planted in soil at the concentration (334.5251mg/kgsoil or nonpolluted soilsignificandy.In the experiment of species combination with Trfolium repens, Lolium perenne, Poa annua, Plan tago virginica, the infection rate of all species increased in Pb treatment except Poa annua, implying that diversified plant species coexistence may alleviate the impacts of Pb on mycorrhizal colonization.

铅污染土壤条件下不同植物物种互作对菌根的影响通过盆栽加铅模拟试验，在铅污染(334.5251mg／kg土)的土壤中，黑麦草、早熟禾、白车轴草和北美车前无论是对照还是铅处理，多植物物种共存组合中的杂草菌根侵染率与单个物种相差不大，AMF菌根侵染率的处理间差异的变化趋势在铅污染的土壤和对照土壤条件下表现一致，但铅处理与对照相比，除了早熟禾外，菌根侵染率均升高，说明杂草多样性对菌根有一定的保护作用。

It was concluded therefore that fertilization can be used to strengthen the competitive ability of perennial ryegrass and Trifolium repens with crofton weed, so crofton weed was restrained effectively.

因此可以建议，在土壤肥力较差时，可以通过施肥等措施来加强黑麦草和白三叶的竞争力，从而达到控制紫茎泽兰的作用。

To kill weed which may sprawl rampantly among crops in the first several years, effective weedicide is needed to play the same role as ploughing fields does to eliminate weed.

在最初的几年里，杂草可能在农作物之间繁茂地蔓生，为了消灭这些杂草，需要有效的除草剂，发挥与耕地同样的消灭杂草的作用。

197 To kill weed which may sprawl rampantly among crops in the first several years,effective weedicide is needed to play the same role as ploughing fields does to eliminate weed.

分析：这是一个典型的将定语从句译为前置的并列分句的例子。

To kill weed which may sprawl rampantly among crops in the first few ages, effective weedicide is commanded to play the alike role as ploughing fields does to eliminate weed.

在最初的几年里，杂草可能在农作物之间繁茂地蔓生，为了消灭这些杂草，需要有效的除草剂，发挥与耕地同样的消灭杂草的作用。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。