oil layer的用法和樣例：
例句
- Valuable deposits of oil have been found by drilling.
通過鑽探發現很有開採價值的油層。 - These are the rainbow effects we see so often in bubbles and in oil film on water.
這就是我們常見於肥皂泡或水上油膜的彩虹效應。 - Potential variation of thin oil film in electrolyte is an electrochemical process.
薄層油膜在電解質中的電位變化是一個電化學過程。
