sem.i.pre.cious stone

semiprecious-stone的音标和读音：
DJ音标发音： [ˌsemi:ˈpreʃəs, ˌsemai-]
KK音标发音： [ˌsɛmiˈprɛʃəs, ˌsɛmaɪ-]

semiprecious-stone的词性：
n.（名词）

1. A gem, such as an opal, that has commercial value but is not as rare or expensive as a precious stone.
半宝石：具有商业价值但不如宝石罕见或昂贵的宝石，例如蛋白石