sand lens的用法和樣例：
例句
- Abstract The lithological oil gas pools mainly consist of lens shaped sandrock and up tilted pinching sandrock oil reservoirs in Dongying Sag.
東營(yíng)凹陷巖性油氣藏主要為砂巖透鏡體油氣藏和砂巖上翹尖滅油氣藏。 - It is possible to form abnormal pressure in the fleet stratum because the fluid of sandstone can not be expelled effectively in the sandstone lens closed down by mudstone.
在被泥巖封閉的砂巖透鏡體中，砂巖中的流體無(wú)法有效排出，導致在較淺的深度就可能產(chǎn)生異常超壓。
