And he knows no landfill liner system is completely leak-proof, meaning there is some possibility that the industrial quantities of waste coming from the oil cleanup could pollute local underground water supplies.

VOA: standard.2010.08.05

It's something like liner notes or a performance history of the cosmos' greatest singing group ever.

就像插画一样,或者是世间最大的合唱队的表演。

耶鲁公开课 - 弥尔顿课程节选

It's something like liner notes or a performance history of the cosmos' greatest singing group ever.

就像插画一样,或者是世间最大的合唱队的表演。

耶鲁公开课 - 弥尔顿课程节选