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- Less weed growth around their crops would mean less need for herbicide chemicals. 农作物周围长很少的野草意味着需要少的化学除草剂。
- It won't hurt you, but chemicals will. 它不会伤害你，但是农药会。
- The plant has recalled lids which leached out dangerous chemicals. 那家工厂回收了浸滤危险化学物质的盖子。
- Noxious chemicals are found in the river water. 河水里发现了有毒化学物品。
- herbicidal chemicals 除草剂
- Chemicals that produce a noxious vapor when mixed. 化学物质混合后会放出有毒气体
- A place where drugs and chemicals are manufactured. 药厂用于生产药品和化学物质的地方
- He demonstrated the principles with chemicals and test tubes. 他借助化学药品和试管讲解了这些原理。
- Mr. Chen used no (didn't use any) chemicals on his fruit. 陈先生的水果不使用农药。
- Chemicals in the body break our food down into useful substances. 人体中的化学元素把食物分解成有用的物质。
- Over ninety countries ratify an agreement to ban the use of these chemicals. 九十多个国家批准了一项禁止使用这些化学品的协议。
- Don't touch the bottle. It contains lethal chemicals. 不要碰这个瓶子。里面装有危险的化学品。
- He experimented with chemicals and electricity. 用化学药品和电进行试验。
- JS412 is a new imide compound with highly herbicidal activity. JS412是经过初筛具有较高除草活性的新化合物。
- Did you often mislay these farm chemicals? 你常把这些农药四处乱放吗?
- Dyes come from plants or from chemicals. 染料是从植物或化学物质中得来的。
- We must keep the chemicals away from the fire. 我们必须使这些化学品远离火烛。
- herbicidal chemical 除莠化学药品, 除莠剂
- These chemicals are practically insoluble in water. 这些化学物质几乎不溶于水。
- Mutation are produced by a number of chemicals. 许多化学试剂能产生突变。
