For many years the leading fixatives were the animal products ambergris, civet , musk and castoreum.

多年来，用较多固定剂是动物制品龙涎、猫、麝、以及河狸。

In addition, ambergris also is from of old epochmaking philtre is sweet, be from cachalot obtain inside bowel.

此外，龙涎也是自古以来极重要春药，是从抹鲸肠内取得。