基本解释琯孔同根派生 英汉例句The study of reef-buiding biont of the Late-Carboniferous in Southern Guizhou rely mainly on alga,such as phylloid-algal and siphonopore algal. 黔南晚石炭世生物礁造礁生物研究主要以藻類爲主，如葉狀藻、琯孔藻等。