gemologist
US /dʒemˈɑː.lə.dʒɪst/
UK /dʒemˈɒl.ə.dʒɪst/
名詞
宝石鑑定士
a person who studies gems (= stones that are used for making jewelry):
例:
•
Our gemologists ensure that the rocks are authentic.
宝石鑑定士
a person who studies gems (= stones that are used for making jewelry):