birthstone
n. 诞生石
例句
Amethyst is the birthstone for an Aquarian born in February and garnet for an Aquarian born in January.
生于二月的水瓶座人的诞生石是紫水晶,而生于一月的水瓶座人的诞生石是石榴石。
Uh, aren't diamonds the official birthstone of the month of April?
嗯,不是那些命理书上说的四月诞生石?