常見例句雙語(yǔ)例句Control efficiency of 5 pesticides to rehmanniae flea beetle and influence to their natural enemies were compared in field condition.田間比較測(cè)試了5種殺蟲劑對(duì)地黃跳甲的防治效果及其對(duì)天敵的影響。http://www.chazidian.comThe control effect of pesticide 35% phosfolan-methyl EC for mangold flea beetle was 79.2%, but it couldn't control subterranean insect pests.殺蟲劑35%甲基硫環(huán)磷乳油葉面噴施對(duì)跳甲的防效為79.2%，對(duì)地下害蟲幾乎無(wú)效。There never was a rock that bounded like a kangaroo, never a pebble that crawled like a beetle seeking a mate, never a sand grain that swam like a water flea.從未有過(guò)一塊巖石能像袋鼠一樣跳躍，從未有過(guò)一粒鵝卵石能像尋偶的甲殼蟲一樣爬行，從未有過(guò)一顆沙礫能像水蚤一樣游泳。 返回 flea beetle