shelf sea的用法和樣例：
例句
- Moon snail is one of the relatives of whelk living in the shallow Yellow sea.
月亮蝸牛是一種生活在黃海淺海的海螺。 - The northern arm of the Black Sea in southern European U.S.S.R. The shallow sea has important fisheries.
亞速海黑海的一個北部海灣，位於蘇聯歐洲部分南部，淺海有重要的漁場。 - The South Yellow Sea is a typical epicontinental sea, which enclosed by mainland China and Korean Peninsula.
南黃海位於中國大陸與朝鮮半島之間，是一個典型的半封閉型陸架海。
