Milking beavers for their secretions is not exactly a high-volume industry either, so castoreum is too expensive to put in most foods.

通过挤压出海分泌，这也不是一个高产方法，所海因价格高昂而一般不用途。

There is another natural way to get vanilla flavor, with something called castoreum, but that's not likely to be a fan favorite.

还有另一种方法可获得天然草精，用一种叫海料，但这可能不太被大众喜欢。

Rose leaves, poppy tears, parsley, cashew, saxophone, darnel, long pepper, storax, castoreum, frankincense, hibiscus juice.

玫瑰叶、罂粟泪、欧芹、腰果、萨克斯管、毒麦、长胡椒、苏合、猫、乳、木槿汁。

They were trapped for fur, mostly to make hats, but also for sacs on their butts full of castoreum—a pungent substance used in perfumes.

捕捉它们是为了获取毛皮， 主要用于制作帽子，但也是为了在它们屁股上装上装满海囊——一种用于水刺鼻质。