sequoias

The base of General Sherman, a true giant among the sequoias in the heart of the Sequoia National Park.

谢尔曼将军树（GeneralSherman）的根部，位于红杉国家公园中心地带，屹立在群杉之中。

Such "fire scars" in long-lived species like giant sequoias allow him to estimate the past frequency of forest fires.

这些在长寿物种，如巨红杉中留下的火灾印迹，使得他能够估计过去森林火灾的频次。

Plants range in size to tiny, single-celled, blue-green algae, invisible to the naked eye, to giant sequoias, the largest living plants.

植物的尺寸范围：小到裸眼无法观察的微小单细胞蓝绿色的海藻，大到巨大的美洲衫，现存的最大植物。

Flying lemurs jumped between trees as big as giant sequoias, and steamy swamps hosted alligators and giant tortoises.

狐猴在像红杉一样高耸的丛林中穿梭，短吻鳄和巨型乌龟栖息在雾气缭绕的沼泽地中。

giant sequoias; sometimes included in the genus Sequoia; until recently placed in the Taxodiaceae.

巨杉属植物；有时包括在红杉属内；直到最近被归为杉科。

No, the largest sequoias in northern California weigh more than six blue whales.

不，是在加利福尼亚北部个头最大的红杉，它的重量是蓝鲸体重的6倍多。

And sequoias also rely on another powerful element to ensure their survival--Fire.

为了生存，红杉还必须依靠另外一种强大的自然力量，那就是火。

And all giant sequoias will just keep on growing, and growing.

而且所有这些巨杉都会不停地生长下去。

Giant sequoias are actually dependent on fire for their reproduction.

巨大的红杉实际上是靠火来繁衍的；

The new research extends Swetnam's previous tree-ring fire history for giant sequoias another 1, 000 years into the past.

这项新研究将史威特南之前有关巨型水杉年轮记录火灾历史的研究再次向前推进了1000年。

The group's focus is on coastal and giant sequoias.

该组织目前的研究重点是海岸红杉和巨杉。

Individual giant sequoias can live more than 3, 000 years.

个别巨型水杉木可以生长超过3000年（，令这项研究得以成立）。

In addition to waterfalls, the park boasts deep valleys, ancient sequoias, and hundreds of animal species.

除此之外，这个国家公园还有深幽的峡谷群、古老的红杉数和成百上千种动物。

Giant sequoias can live to be 3, 000 years old; the oldest recorded specimen exceeded 3, 500 years.

巨杉可以生长3000年，目前最古老的巨杉已经超过3500岁。