详细解释
莠
1、(形声。从艸,秀声。恶草的通称,常用以比喻恶人、俚人)。
2、草名,即“狗尾草” 。一年生草本植物,样子很像谷子。
莠,禾粟下扬生莠。---《说文》。按,禾粟之穗,生而未成,坠地生莠。今之狗尾草,即董蓈也。
惟莠骄骄。---《诗·齐风·甫田》
3、品质坏的、不好的人。
好言自口,莠言自口。---《诗·小雅·正月》
良莠不齐
例句
莠去津原药生产，反应必须在介质中进行。
The reaction of Atruzine production must be in medium.
本文确立了水中莠去津、乙草胺残留量检测方法。
A method was developed to determine atrazine and acetochlor in water.
有谁会不熟悉，好种籽与讨厌的莠子混在一起的麻烦呢？
Who is not familiar with it, that annoying mixture of good seed and undesired weeds?
研制了用于38%莠去津悬浮剂的新型分散剂(WPJ-A)。
A new dispersing agent (WPJ - a) for 38% atrazine suspension concentrates was developed.
柔枝莠竹就是入侵物种之一，它是一种瓷器垫料，一百多年前从亚洲传入。
Take Japanese Stiltgrass, an invasive that arrived from Asia nearly 100 years ago as a packing material for porcelain.
保留省级及区级干部，废职100位以上不良不莠的市政官员。这么做就足够了。
Scrap upwards of 100 useless provincial authorities but keep municipalities and regions. That's more than enough.
结果表明：莠去津施入土壤后，在不同的施肥措施下对土壤呼吸作用的影响不同。
The results were as follows: After atrazine applied into the soil, the effects of it on soil respiration were different under the fertilizer measure in different mode.
上主也曾亲自说：教会是一张装有好鱼和坏鱼的鱼网，也是一块长有麦子和莠子的田地。
We know this and the Lord himself told us so: it is a net with good fish and bad fish, a field with wheat and darnel.
如果我不天天清除灵魂上不断冒出来的莠子，那么它们很快就会盖过我本性中的善的一面。
If I do not clear away the ever-returning weeds in my soul every day, then they will quickly overgrow the good aspects of my being.
温室盆栽条件下，以扑草净、莠去津为对照药剂，研究了特丁津对棉花、玉米和花生的安全性。
By potting under greenhouse conditions, compared with prometryn and atrazine, the security of terbuthylazine to cotton, maize and peanut was studied.
莠去津是一个在世界上广泛使用的三嗪类除草剂，在过去使用的几十年中一直被认为是安全的。
Atrazine is a world - widely used as a herbicide for the control of broadleaf and grassy weeds in corn - crops.
对异丙草胺— 莠去津悬浮乳剂的配方、工艺流程进行了开发研究，找出了该悬浮乳剂的最佳配方。
This paper has developed the formulation and the technique of the Propischlor-Atrazine suspemulsion, has found out the best formulation of the suspemulsion.
以氰戊菊酯、三唑酮和莠去津分别作为杀虫剂、杀菌剂、除草剂的代表，对三类农药的色谱定量分析进行了探讨。
Be the insecticide, disinfectant, herbicide representative with the fenvalerate, triadimefon, atrazine respectively, carried on the study to three kinds of agrochemical table quantitative analysis.
奶牛场老板聚精会神地在那儿品味着黄油的味道，想分辨出造成这种怪异味道的是一种什么莠草，过了一会儿他突然大声说
The dairyman, who had thrown himself into abstraction to better realize the taste, and so divine the particular species of noxious weed to which it appertained, suddenly exclaimed
同时，费城天普莠大学的研究者们还称，虽然孩子们的举止可能会显得比实际年龄成熟些，但是他们却不太会听取父母给他们的着装建议。
Researchers 5 from Temple University, Philadelphia also say that children - although they might appear to act older than their years - are far less likely to take style notes from their parents.
本研究以来源于土壤、还原于土壤为指导思想，从长期施用莠去津的土壤中分离、筛选出3株长势良好的放线菌株s1、S2和S3，作为试验用莠去津降解菌。
The actinomyces designated as S1 S2 and S3 were isolated and selected from Atrazine contaminated soil, and they were regarded as Atrazine-degrading strains in the test.
研究结果表明，在整个培养过程中，仅加莠去津的土壤中微生物生物量碳、氮、磷的含量均显著降低，与对照相比，分别平均降低了13.5%，10.1%，20.0%。
Results showed that soil microbial biomass C, N, P significantly decreased after addition of atrazine. As composed with control, microbial biomass C, N and P decreased averagely 13.5%, 10.1%, 20.0%.
研究结果表明，在整个培养过程中，仅加莠去津的土壤中微生物生物量碳、氮、磷的含量均显著降低，与对照相比，分别平均降低了13.5%，10.1%，20.0%。
Results showed that soil microbial biomass C, N, P significantly decreased after addition of atrazine. As composed with control, microbial biomass C, N and P decreased averagely 13.5%, 10.1%, 20.0%.