noun 下载 🔗分享 藻类,海藻。 Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic. Examples : "The pond was green because it was full of alga. " 池塘之所以呈现绿色,是因为里面长满了藻类。 organism plant biology biochemistry nature ocean vegetable science environment ecology 与AI对话词汇游戏阅读练习