红树任一种属于热带海岸红树属的热带常绿乔木或灌木，具有织状致密的根和茎，在有潮汐的海岸群生密长。
Any of several tropical evergreen trees or shrubs of the genus rhizophora having stilt like roots and stems and forming dense thickets along tidal shores.
现在有一种新设备可以利用潮汐能发电，而且可以在成本上与化石燃料发电一较高下。
A new device for harnessing wave energy is promising renewable electricity at a cost to rival fossil fuel sources.
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