Fossil wood suggests forests were nearby.
现在的化石木暗示着森林曾就在附近。
The fossil wood is composed of vessels, fibers and rays.
化石木木材由导管、木纤维、木射线组成。
Other factors include changes in solar activity, the increased water vapour that can be held by warmer air and soot and other particles produced by fossil fuel and wood burning in Asia.
其他因素包括太阳活动,通过温暖的空气、烟尘、在亚洲化石燃料和木材燃烧产生其他粒子的变化都可以增加水汽以至变暖趋势降低。
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