algan. 藻類、海藻藻學術名詞藻類:海洋科學、生命科學、醫學、海事、海洋地質學、地質學藻:化學術語、植物學阿爾加:外國地名海草[類]:海事英文釋義primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves