您要查找的是不是：
- prevent and kill off insect pests 防除害蟲(chóng)
- Experiments to prevent and kill off weeds in infant forest of tea trees and fruit trees 茶樹(shù)、果樹(shù)幼林中以五節芒為主的雜草防除試驗
- Therefore, the network users must prevent and kill them. 為此 ,網(wǎng)絡(luò )用戶(hù)必須要防殺之。
- I think the Fremont come in and killed off the Little People. 我想后來(lái)的弗里蒙特人來(lái)到這里并殺害了那些小矮物。
- Then later the Utes come in and killed off the Fremont. 再后來(lái)猶他人來(lái)了，毀滅了弗里蒙特族人。
- The factory dumped the poisonous wastes into the river and killed off the fish. 工廠(chǎng)把有毒的廢物傾倒在河里，毒死了河里的魚(yú)。
- Prevention and killing off measure of soybean dodder 大豆菟絲子防除技術(shù)試驗
- Efficient solution to prevent and kill co-ckroaches mice, fleas, bugs, mosquitoes, an-ts and flies. 病媒防治對象,有蟑螂、老鼠、跳瘙、壁虱、蚊蠅、白蟻。
- One must prevent and kill moths when collecting ancient calligraphy and paintings. 收藏古書(shū)字畫(huà)，要注意定時(shí)防除蛀蟲(chóng)。
- Many governments are also focusing on hydro-electric power plants as a "clean" source of energy, but this means more dams which stem water flows and kill off fish populations, he added. 他還說(shuō)，許多政府只注意到水力發(fā)電是一種清潔能源而建造水力發(fā)電站，豈不知這樣做的結果是一道道的大壩阻止了水流，消滅了魚(yú)類(lèi)資源。
- Test Study on Preventing and Killing off Coeno-species Field Weeds in Maize Inbred Line and Hybrids Field 玉米自交系及雜交種田間雜草防除試驗初報
- The factory dumped poisonous wastes into the river and killed off the fish. 工廠(chǎng)將有毒廢料傾入河中，把魚(yú)全毒死了。
- Instead, they chose to plunder and kill. 相反,他們選擇劫掠和殺戳。
- Experiments of Different Herbicide Preventing and Killing off Weeds in Apple Orchard and Weeds Endurance 不同除草劑的除草效果及雜草的耐藥性
- A case could be made out that it's more human to kill off these wild kangaroos. 人們可以提出理由，即殺光這些野袋鼠更為人道。
- The business of doctors is to prevent and cure diseases. 醫生的職責是預防和治療疾病。
- Frost can kill off a young plant. 嚴寒會(huì )摧毀幼苗。
- He is hit by a falling tree and killed on the spot. 一棵樹(shù)倒下來(lái)，把他當場(chǎng)砸死了。
- The dog got among the sheep and killed many. 那只狗走入羊群并咬死了很多羊。
- The insecticide will kill off the insect pests. 這情形劑可消滅害蟲(chóng)。
