wavelength

n.波长

waterlogged, Waterloo, waterman, watermark, waterproof, watershed, waterside, waterspout, watertight, waterway, waterworks, watery, watt, wattage, wattle, wattle and daub, watts, wave, wave sth. away, waveband, waver, waverer, waveringly, waving, wax, waxen, waxiness, waxwork, waxy, way, way-bill, way-out, wayfarer, wayfaring, waylay, Wayle, wayside, wayward, waywardness, WC,