marcellus shale英mɑ:ˈseləs美mɑrˈsɛləs短语⁸⁴³²⁰⁺⁸ 基本例句 马塞卢斯页岩,玛西拉页岩 The Susquehanna tops out the American Rivers list this year because it's in the Marcellus Shale region, which has become a target in the rush to develop natural gas reserves. 沙士魁海纳河今年占据了名单的榜首，因为它流经的玛西拉页岩气采集区将成为美国开发天然气贮备任务的首要目标。 com