Egg parasitoids of the genus Trichogramma are widely used in biological control against Lepidopterous pests.赤眼蜂属是生物防治中广泛用来防治鳞翅目害虫的一类重要天敌昆虫.Maria spent the weekend eradicating pests from her garden.玛莉亚整个周末都在花园除虫.Several k...
Frogs eat pests which destroy crops and carry diseases.青蛙吃破坏庄稼、传播疾病的害虫。He doesn't spray against pests or diseases.他并不喷药防虫祛病。Rodents carry diseases and are generally regarded as pests.啮齿目动物传播疾病,常被当作害虫对待....
This is a pity, because noise abatement really is a good cause, and it is likely to be discredited if it gets to be associated with bad science.这是件憾事, 因为减少噪音实在是一项美好的事业; 如果把它与贫乏的科学知识搅在一起,那么这种美好的事业有可能使人生疑.Sections 301 - 31...
“墨西哥的烹调注重俭省,”她说,“任何东西都不会浪费。”Mexican cookery is economical, she says. Nothing goes to waste.得克萨斯州与墨西哥的贸易往来历史悠久。Texas has a long history of trade with Mexico.这些仪式已经成为墨西哥基督教时期以前的宗教仪式的一部分。These ceremonies were already part o...