它的意思是如果我有一个生物细胞，或带膜的容器，其中一种组分可以通过这层膜。
It means that if I have a biological cell, or some container with a membrane through which one of the constituents might pass.
地球化学资料表明：断裂作用过程中，带内物质组分的调整主要在其不同构造岩之间进行。
Geochemical data show that the adjustment of material composition in the fault mainly occurred between different tectonites during the faulting.
中生界砂岩碎屑组分分析，表明其源区为大别造山带。
Detrital composition analysis of the Mesozoic sandstones indicates that their provenance is the Dabie orogen.
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