A smooth, lustrous, variously colored deposit, chiefly calcium carbonate, formed around a grain of sand or other foreign matter in the shells of certain mollusks and valued as a gem.
파생어
pearly [형]
예문
1. artificial pearl (모조 진주) 2. cultured pearl (양식 진주) 3. pearls of wisdom (지혜의 정화) 4. go pearling (진주를 채취하러 가다)
