offshore field的用法和樣例：
例句
- They can be misidentified easily in the subsurface as fossil offshore bars.
它們在地下深處最易於與石化了的濱外沙洲混淆起來。 - Other islands that rise from offshore bars within a bay, or that from spits, commonly show the same shoreline characteristics.
海灣內由濱外沙壩形成的其它島嶼或沙嘴，通常顯示同樣的岸線特點。
