redwood
/ˈredwʊd/noun
1- either of two giant conifers with thick fibrous bark, native to California and Oregon.They are the tallest known trees and are among the largest living organisms.（已知树种中最高的树, 体积最大的生物之一）红杉; 巨杉。
1.1
- Two species in the family Taxodiaceae: the California (or coast) redwood (Sequoia sempervirens), which can grow to a height of c. 110 m (328 ft), and the giant redwood, giant sequoia, wellingtonia, or big tree (Sequoiadendron giganteum), which can reach a trunk diameter of 11 m (36 ft).杉科两树种：加利福尼亚红杉（拉丁名Sequoia sempervirens,可长至约110米, 即328英尺高）, 北美巨杉（拉丁名Sequoiadendron giganteum,树干直径可达11米, 即36英尺）。
1.2
- used in names of other, chiefly tropical, trees with reddish timber, e.g. Andaman redwood.用于其他木质为红色、尤其是热带树木的名称中, 如Andaman redwood。