redwood

詳細解釋：

red.wood

n.（名詞）

A very tall, evergreen, coniferous tree(Sequoia sempervirens) native to the coastal ranges of southern Oregon and central and northern California, having small, seed-bearing cones with peltate scales and unflattened branches.
紅杉：一種高大常綠的結球果的樹木（紅杉屬 常綠紅杉） ，原產於俄勒岡州南部和加利福尼亞中北部靠海岸的山區，有外層為盾狀鱗片的內含種子的小球果和非扁平的枝幹
The soft, reddish wood of this tree.Also called sequoia
紅杉木：這種樹木紅色柔軟的木材也作 sequoia
Any of various woods having a reddish color or yielding a red dye.
似紅杉木：任何一種紅色和產紅顏料的木材