塑料在户外被焚烧，化学药剂被排入河流，环保组织 Greenpeace发现贵屿的空气、土地和河流被严重污染。
Plastic is burned outdoors and chemical water is poured into rivers, Greenpeace, an environmental group, has found the air, the earth and the rivers in Guiyu badly polluted.
科学家首次提出这个问题是在20世纪90年代中期。当时，研究人员偶然发现一种化学药剂，这种药剂在啮齿动物身上似乎可以发挥和热量限制相同的正面效果。
Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.
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。
He explained our basic task, the tractor fired up and we were off, riding down the field looking for weeds to spray with chemicals.
但是有些化学药剂是非常危险的。
本书所写的是化学药剂和植物。
他们用掺有化学药剂的水擦洗地板。
另一些人则往树上喷洒化学药剂以延缓树的生长。
栽培者必须准备使用一系列的化学药剂。
这是一种能除草或抑制其生长的化学药剂。
This is a chemical agent that destroys plants or inhibits their growth.
该化学药剂加热时会分解成其组成的分子。
The chemical dissolves into its constituent parts when heated.
运用化学药剂医治疾病的老方法行不通了。
The old strategy of finding chemical solutions to diseases is in trouble.
由于洗衣店会使用某些化学药剂，所以你最好自己手洗。
Often your best bet is to hand wash delicately, due to certain chemicals the cleaners use.
一个麻醉医师调节了适量的化学药剂滴在科瑞娜的第四区。
An anesthesiologist makes the required adjustment to the chemical mix trickling through Corina's IV.
然后，研究人员向混合物中添加其他的化学药剂。
这一化学药剂的涓涓之流，早就令环保人士忧虑了。
The constant chemical trickle is an old worry for environmentalists.
葡萄园将更加接近自然，任何化学药剂不能被使用。
The vineyard will be organic. No chemical past desides pesticides will be used.
尽管他开车在市里找了四家店也没找到用来冲洗照片的化学药剂。
He can't find the chemicals he needs to do the developing even though he drove to four stores in town.
染色所耗用的化学药剂是纺织工业最大的污染源之一。
Spent chemicals from dyeing represent one of the significant sources of textile pollution.
产品中的化学药剂阻碍和折断给皮肤着色的自然过程。
The chemicals in the products block and break down the natural process that gives color to skin.
多数贫穷地区的农民如旁遮普基本上负担不起这些化学药剂。
Most small farmers in poor regions, including Punjab, cannot afford them anyway.
这种技术也会发生意外，这主要取决于这些化学药剂的使用量。
This approach could also backfire, however, depending on the amount of the agents used.
防治葫芦科植物萎蔫病，至今仍依靠使用化学药剂防治甲虫。
The control of cucurbit wilt has been based on chemical insecticides applied for beetle control.
双氯醇胺是一种可以喂给猪的化学药剂，它可以使猪不累积脂肪。
Clenbuterol is a chemical that can be fed to pigs to prevent them from accumulating fat.
这些化学药剂会经由饮用以及清扫屋子等看似无害的活动而引起潜在的危害。
These chemicals can cause potential harm through drinking and in seemingly harmless activities as cleaning one's house.
我国目前控制蝗虫危害的手段主要是采用化学药剂来降低虫口密度。
At present, means to control locusts harm is chemical medicament which can reduce insect density.
植入抗虫基因的作物会自行制造杀虫剂，因此可望减少化学药剂的喷洒。
The insect-resistant varieties make their own insecticide, a property meant to reduce the need for chemical sprays.
更重要的是，当它与其他化学药剂混合在一起时，是否会使其具备更大的杀伤力呢？
And more importantly, could it become lethal when mixed with other chemicals?
杀菌剂有一定保护作用，但是大量的化学药剂是一个既昂贵，作用也有限的解决方案。
Fungicides afford some protection but huge quantities of chemicals are an expensive and limited answer.
杀菌剂有一定保护作用，但是大量的化学药剂是一个既昂贵，作用也有限的解决方案。
Fungicides afford some protection but huge quantities of chemicals are an expensive and limited answer.
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