primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

藻类
a former female student or pupil of a school, university, or college

女校友, 女毕业生
a person, particularly a male one, who is a former student of a college, university, or school

校友, 毕业生
a single-celled microorganism that typically reproduces by cell division and can be found in various environments, including soil, water, and living organisms

细菌, 微生物
a collection of related works, documents, or literature, often assembled for research or scholarly purposes

语料库, 文集
a single piece of information or a reference point used in analysis or measurement

数据, 参考点
the specific place or scene where an event or action occurs, especially used to denote the exact location of a meeting or event

地点, 场所
a mature, female reproductive cell or egg, typically larger than a sperm cell, capable of fusing with a sperm cell during fertilization to form a zygote

卵子, 卵
something that triggers a reaction in various areas like psychology or physiology

刺激, 刺激物
a group of people with similar social standing, education, or income

阶层, 层
a male reproductive organ responsible for the production of sperm and the secretion of testosterone

睾丸, 男性生殖腺
(anatomy) any of the bony segments and cartilages of the spinal column

椎骨, 脊柱节段
a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

幼虫
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