珊瑚是典型的固着生物,它们一生都附着在海底礁石上。

Corals are sessile creatures that remain attached to the ocean floor throughout their lives.

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Corals are sessile creatures that remain attached to the ocean floor throughout their lives.

sessile 是形容词,由拉丁词根 sess-(意为"坐")和后缀 -ile(表示"能够...的")组成。字面意思是"能够坐着的",在生物学中特指"固着的、固定不动的",描述像珊瑚这样终生附着在某一表面不移动的生物特性。

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