1.It was difficult to study because the fish is encased in rock.
encase 包住
When nuclear fuel is manufactured it is encased in metal cans.
核燃料生產(chǎn)出來后被裝在金屬罐中
。2.They used the X-ray machine to "digitally dissect" the fish.
dissect 仔細分析
Her latest novel was dissected by the critics.
評論家對她最近出版的一部小說作了詳細剖析
。