极: I the utmost point; extreme生: give birth to; bear鞭毛: flagellum遍生鞭毛的: holomastigote端生鞭毛: polar flagella后生鞭毛类: postflagellate周生鞭毛: peritrichous动物共生鞭毛藻: zooxanthella鞭毛: [动物学] flagellum (pl. flagella)极生的: polar北极生态学: arctic ecology顶极生长: climax vegetation顶极生活型: climax-life form寒极生热: extreme cold generating heat; extreme cold produces heat; han ji sheng re extreme cold engenders heat积极生长期: active growth stage极生孢子: polar spore乐极生悲: too great pleasure will bring about sadness.; after joy comes sadness.; drunken days all have their tomorrows.; extreme joy begets sorrow.; extreme joy gives rise to sorrow.; extreme pleasure ends in sorrow.; feelingof sadness follows that of pleasure.; great happiness would culminate in sorrow.; great joy leads to sadness.; joy at its height engenders sorrow.; joy gives place to sorrow.; one's access of joy gives way to bitter sorrow.; sorrow follows extreme joy.; too much rejoicing breeds calamity.; when the highest degree of joy is reached, sorrow will come.; when the cup of happiness overflows, disaster follows.; when good fortune has reached its highest point, it is the rule that misfortune has its beginning南极生物: antarctic organism热极生风: extreme heat brings about wind; extreme heat causing wind; extreme heat produces convulsion热极生寒: excessive heat generating cold; extreme heat produces cold; re ji sheng han extreme heat engenders cold嗜极生物: extremophile北极生态系统: arctic ecosystems顶极生物群落: climax biotic community南极生态系统: antarctic ecosystems终极生存游戏: ultimate paintball