snowfalln.
英 'snəʊfɔːl | 美 'snofɔl
中文n. 降雪；降雪量
词根词源
snowfall (n.)1821, "fall of snow," especially a quiet one (as distinguished from a snowstorm), from snow (n.) + storm (n.). From 1875 as "amount that falls at a place in a given time."
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