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- Expel and insecticide 驱虫与杀虫
- CMO is an important fine intermediate ,which is conventionally used as material in perfumey ,medicine and insecticide. 肉桂醇是重要的精细化工中间体，广泛用作香精、医药合成和杀虫剂的原料。
- WHO has also provided technical support and materials (sprayers and insecticide) for vector control activities. 世卫组织还为媒介控制活动提供了技术支持和物资(喷雾器和杀虫剂)。
- The mechanism of resistance is very complex which refers to the change of behavior, enzymes in metabolizability and insecticide targets. 从现在的研究看来，抗性的机制很复杂，涉及到行为变化、代谢酶类的变化、杀虫剂作用靶标的变化等，不同的杀虫剂产生抗性的机制也不同。
- There was significant difference in the fac tors of food dangers including microbes, heavy metals, pesticide and insecticide , between different manufacture techniques. 食品危害因素中,微生物、重金属、农药及杀虫剂使用残留、各种生产工艺造成的食品不合格存在显著性差异。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- Methods Eye seeing,cockroach catching box and insecticide stimulating method.Results Three species of cockroaches were collected,namely,Periplaneta americana,P.fuliginosa and Blattella germanica. 方法采用目测法,蟑螂盒诱捕法、药激法3种调查方法。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。
- He sprang up and rushed to the door. 他跳起身，跑到门口。
- He took sick and died a week later. 他得了病，一周后就死去了。
- He's been in and out of prison for years. 他多年来屡次进出监狱。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The child was tired and fretful. 那孩子又疲倦又烦躁不安。
- Routine office work is my bread and butter. 日常的办公室工作是我的谋生之道。
- Language teaching is both a science and art. 语文教学既是一门科学又是一种艺术。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- Reading and writing are different skills. 阅读与写作是不同的技能。
