A razor and a pack of toxic pesticides were born. I was ten years old when I died, and the ball thrown into the air never fell to the ground. You are the only witness. You were ten years old. The part of speech is: noun. Structure: pesticide (upper and lower structure) (single structure) (left and right structure). The phonetic notation is: ㄕㄚㄔㄨㄥ 12560 1 _. The pinyin is: shāchóngjì.
What is the specific explanation of pesticides? We will introduce you through the following aspects:
I. Text Description Click here to view the details of the plan.
Insecticide shāchóngjì. (1) Insecticidal drugs; Generally refers to drugs that kill or repel insects.
Second, the national language dictionary
An insecticide for killing pests. Such as Barazon and DDT.
Third, the network interpretation
Insecticide (medicine for preventing and controlling agricultural pests and urban sanitary pests) Insecticide refers to a kind of medicine for killing pests, such as beetles, flies, grubs, rhinoceroses, jumping insects and so on. The use of pesticides has gone through several stages: natural pesticides and inorganic compounds were first discovered, but their effects were single, their dosage was large and their duration was short; Organic synthetic pesticides such as organochlorine, organophosphorus and carbamate have the characteristics of high efficiency, high residue or low residue, and many of them have high acute toxicity to mammals.
Idioms about pesticides
Carving insects, seal cutting, appropriate preparation, virtual insects, books, birds, seal cutting, small and exquisite carving skills.
Vocabulary about pesticides
Insects, books, birds, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals, seals.
Sentences about pesticides
1, there are too many bites here. Put some pesticides on it!
2. Crops planted together also depend on the free application of pesticides, which will cause difficulties to the surrounding biological communities.
3. When purchasing, you should first choose mosquito-repellent incense made of plant ingredients or low-toxic pyrethroids, and wash your hands after touching mosquito-repellent incense.
4. The adults of Trichogramma furnacalis are very sensitive to most pesticides, and their sensitivity to pesticides decreases because they spend their time in the host eggs from egg to pupa.
5. Insect resistance mechanisms mainly include metabolic resistance and target resistance.
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