Apart from the Rhizophora SPP., many of the principal species coppice readily.

除了Rhizophora以外，许多主要品种易于萌生。

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This hazard is much increased with species that are well disguised and whose natural instinct is to trust to this concealment as their principal defense.

对于伪装得很好的物种，这种危险会大大增加，它们的自然本能就是相信这种隐藏是它们主要的防御手段。

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The principal metabolic pathway of RBC is glycolysis, and the main energy source in most species is glucose.

红细胞的主要代谢途径是糖酵解，而大多数物种的主要能量来源是葡萄糖。

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"Introduced species are one of the principal causes of endangerment for half of endangered species, " says Daniel Simberloff, a professor of ecology and evolutionary biology at the University of Tennessee.

CNN: Fish tale

"Litigious activists have used the Endangered Species Act to fight projects, " Reed Hopper, the foundation's principal attorney, said in a statement.

CNN: Bush set to relax endangered species rules