noun 下载 🔗分享 原生生物,原生生物界生物。 Any of the eukaryotic unicellular organisms including protozoans, slime molds and some algae; historically grouped into the kingdom Protoctista. Examples : "The scientist studied the protist under a microscope in biology class. " 这位科学家在生物课上用显微镜研究原生生物。 organism biology microorganism 与AI对话词汇游戏阅读练习