rainbow 虹
光谱色组成的光弧，由阳光射入水滴经折射和反射而形成。雨滴愈大，色彩愈鲜明。
虹 雨点的光的折射。
- Worcester
- Worcester
- Worcester porcelain
- Worcestershire
- word processor
- Wordsworth，William
- work
- Workers’Educational Association
- work hardening
- workhouses
- Working Men’s Club and Institute Union
- Works’council
- World Bank
- World Council of Churches
- World Cup
- World Federation of Trade Unions
- World Health Organization
- World Meterological Organization
- World War Ⅰ
- World War Ⅱ
- World Wide Fund for Nature
- worm
- worm lizard
- Worms
- wormwood