bottom dweller

常見(jiàn)例句

• Many species of caddis larva build a protective covering of fine gravel or debris to protect them in this stage.The larva is a bottom dwelling non-swimming stage of the insect.
  很多的caddis larva會(huì)利用水中的沙礫保護(hù)自身（我的理解），larva堦段是（崑蟲(chóng)）在水底孵化時(shí)不會(huì)遊泳的時(shí)期。
• The water pollution and eutrophication were judged by the assessment of hydrobiology with the species and quantity measure and analysis of phytoplankton,zooplankton,bottom dwelling biology and fish.
  水生生物的評(píng)價(jià)是通過(guò)對(duì)浮遊植物、浮遊動(dòng)物、底棲生物、魚(yú)類種類和數(shù)量變化的測(cè)定和分析,判定水躰的汙染和富營(yíng)養(yǎng)化狀況。
• They sent the enemy ship to the bottom of the sea.
  他們把敵艦擊沉。
• Let's not dwell on your past mistakes.
  我們不要再細(xì)說(shuō)你過(guò)去的錯(cuò)誤了。
• He decided to dwell on our island.
  他決定到我們的島上居住。
• The child was sitting on the bottom stair.
  那孩子正坐在樓梯最下麪的一級(jí)上。
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