名詞 plastid:

1. any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein

plas.tid

n.（名詞）
Any of several pigmented cytoplasmic organelles found in plant cells and other organisms, having various physiological functions, such as the synthesis and storage of food.
質(zhì)體：在植物細(xì)胞和其它有機(jī)體中發(fā)現(xiàn)的若干著色的細(xì)胞質(zhì)的細(xì)胞器，具有各種生理功能，如合成和儲存食物

來源：
From Greek plastis plastid- [feminine of] plastôs [molder]
源自 希臘語 plastis plastid- [] plastôs的陰性詞 [塑造者]
from plastos [molded] * see plastic
源自 plastos [塑造的] *參見 plastic

【引伸】
plastid.ial