您要查找的是不是：
- In order to study the mechanism of action of tea saponin on Pieris raPae,antifeedingeffect of tea saponin on P. rapae 5-instar larva was examined,and contact poison and stomach poi-son actions of tea saponin on P. rapae 4-instar larva were also examined. 为探讨茶皂素对菜青虫的作用方式，测定了茶皂素对菜青虫Pierisrapae（Lin-naeus）5龄幼虫的拒食作用，以及对4龄幼虫的触杀和胃毒作用。
- Drawer Handle Smeared with Contact Poison 涂有接触毒素的抽屉把手
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- That poor madam has lost all contact with reality. 那位可怜的夫人脱离了现实生活。
- For further information, contact your local agent. 要进一步了解情况，请与本地代理商联系。
- The chemical companies are poisoning our rivers with effluent. 这些化学公司排出废水污染著我们的河流。
- Have the children been in contact with disease? 孩子们同这种疾病有过接触吗？
- Five people are taken to hospital with Salmonella poisoning. 有五个人由于得了沙门氏菌中毒症而被送进了医院。
- Helping a caller to contact somebody by phone. 帮助打电话者同某人电话联系。
- Sub-atropinization therapy in contact poisoning by organic phosphate insecticide 有机磷农药接触中毒亚阿托品化治疗分析
- I came in contact with her by telephone. 我和她通过电话联络。
- A poor contact causes power to fail occasionally. 接触不良有时会造成断电。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- I have a useful contact in New York. 我在纽约有个有用的人可以联系。
- We decided to kill the rats by poisoning them. 我们决定用毒药来毒杀老鼠。
- They made contact with headquarters by radio. 他们用无线电跟总部联络上 了。
- Gases from cars are poisoning the air of our cities. 汽车放出的废气在污染我们城市的空气。
- The possibility of food poisoning has been excluded. 食物中毒的可能性已被排除。
- Expedite offer afraid buyer ready withdraw as others contact him. 糨公司正与之接触，请速予报价，否则买主准备撤走。
- That bout of food poisoning has turned me off oysters for life! 那一回食物中毒已使我一辈子不食牡蛎了。
