1610s, "wood that has a red hue," from red (adj.1) + wood (n.). Of various types of New World trees that yield such wood, from 1716; specifically of the California Sequoia sempervirens from 1819. In Scottish English 16c.-18c. the same word as an adjective meant "completely deranged, raving, stark mad," from wood (adj.).
实用例句
1. I've heard that many redwood trees are thousands of years old.
我听说许多红杉都有几千年的树龄.
来自《简明英汉词典》
2. Its banks were shaded by cottonwood and redwood trees.
河流的两岸被棉花树和红木树遮蔽住了。
来自辞典例句
3. Wood from one redwood tree is worth $ 8,000.
一棵红杉树所生成的木料价值为8000美金.
来自英语晨读30分（高三）
4. We stood in awe of the lofty redwood trees.
高耸入云的巨杉令我们惊叹不已.
来自辞典例句
5. Cypress and redwood are seldom used in the superstructure of commercial greenhouses.
