| 例句 |
Surfactants are the active ingredient in detergents.表面活性剂是洗涤剂中的活性成分。Caffeine is the active constituent of drinks such as tea and coffee.咖啡因是茶、咖啡之类饮品中的活性成分。The virus is active even at low temperatures.这种病毒即使在低温下也有活性。We sell live yogurt.我们出售含活性菌的酸奶。The liver contains many biochemically active substances.肝脏含有很多生化活性物质。 |