This is the 1300th most frequent Japanese word.
牡蠣
Oyster.
Here, "牡蠣" is used as a noun to refer to the seafood, oysters.
昨日、潮干狩りで牡蠣をたくさん取ったよ。
Yesterday, I harvested many oysters during the shellfish gathering.
In this sentence, "牡蠣" is described and emphasized for quality and freshness, illustrating its culinary use.
牡蠣は新鮮なうちに食べるのが一番美味しい。
It's best to eat oysters while they are fresh.
Here, "牡蠣" is part of a common activity phrase reflecting dining culture including oysters.