Short-wave radio uses the 20-50 metre band.

短波收音机用的波段是20–50米。

《牛津词典》

Then in 2000 a British oceanographic vessel recorded a 29-metre wave off the coast of Scotland.

紧接着2000年，一艘英国海洋调查船在苏格兰海岸记录到一个高达29米的巨浪。

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Certain parts of the South American coast probably will see almost nothing but other parts might get a metre or two of wave height.

南美局部地区可能什么也看不到，但是其他地区可能会遇上一到两米高的海浪。

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Many of the dead were children from surrounding villages who had gathered for school holidays at Sissano lagoon, which took the full brunt of the ten-metre (33-foot) wave.

ECONOMIST: When the sea turned on the land