technicalHB the colourless substance that forms the cells of plants and animals 原生质
Examples from the Corpus
protoplasm• Just a smear of protoplasm, another speck on the biological scrap heap.• Not only humans, of course, but also plants, animals, trees ... even raw protoplasm.
Originprotoplasm
(1800-1900)Germanprotoplasma, from Late Latinplasma; → PLASMA