gemologist
US /dʒemˈɑː.lə.dʒɪst/
UK /dʒemˈɑː.lə.dʒɪst/
名詞
1.
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.
Lingolandでこの単語を学ぶ
宝石鑑定士
a person who studies gems (= stones that are used for making jewelry):