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1·Understorey woody plants were similarly depauperate.

林下的木本植物同样亦发育不全。

2·Tropical forest is wetter and usually supports only knee-high fires that spread slowly through the understorey.

而热带树林更加潮湿，通常只能出现膝盖高的在林下层缓慢蔓延的火势。