常見例句雙語例句Biologists define the series of top-down changes as a trophic cascade.生物學(xué)家把這一系列自上而下的變化稱爲(wèi)食物鏈自由放泄。blog.sina.com.cnIncreasing the evenness led to what the researchers call a "powerful trophic cascade", resulting in fewer potato-munching beetles and larger potato plants.他們發(fā)現(xiàn)增加平衡度會(huì)産生他們稱之爲(wèi)“強(qiáng)力營(yíng)養(yǎng)級(jí)串聯(lián)”的現(xiàn)象，會(huì)使喫土豆的甲蟲的數(shù)量減少，同時(shí)會(huì)使土豆更高大強(qiáng)壯。 返回 trophic cascade