active principle
中文翻译
[化] 有效要素; 有效组分; 有效成分
[医] 有效成分
常见例句
1
An active principle of Arnica montana
2
The active principle of the cantharis, or Spanish fly, a volatile, acrid, bitter solid, crystallizing in four-sided prisms.
3
The active principle of the water hemlock (Cicuta) extracted as a poisonous gummy substance.
4
An alkaloid constituting the active principle of ergot; -- so named from its power of producing abortion.