名詞 betaine:

1. a sweet tasting alkaloid that occurs in sugar beets

be.ta.ine

n.（名詞）
A sweet crystalline alkaloid, C5H NO 2, occurring in sugar beets and other plants and used in the treatment of muscular degeneration.
甜菜堿：一種甜味的晶體堿，C5H NO 2，含于甜菜和其他植物中，用于治療肌肉萎縮
Any of several alkaloids with similar structures.
一種結(jié)構(gòu)相似的晶體堿

來源：
Latin bôta [beet]
拉丁語 bôta [甜菜]
-ine 2
-ine2