英语词汇washed gravel怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1.
After a wet April, a deluge in mid-May washed out gravel supporting the rails, and 15 cars on a Burlington Northern Santa Fe coal train derailed.
FORBES: America has coal to last 250 years. Why is there a shortage?
2.
"We have not found any ancient objects linked to the context, and because the paintings are on ravine walls and in the rainy season the sediments are washed away, all we have is gravel, " said archaeologist Gustavo Ramirez, from the Mexican National Institute of Anthropology and History (Inah).
BBC: Cave paintings in Mexico: Carvings uncovered in Burgos

单词	washed gravel
释义	washed gravel 简明释义洗净砾石权威例句 1. After a wet April, a deluge in mid-May washed out gravel supporting the rails, and 15 cars on a Burlington Northern Santa Fe coal train derailed. FORBES: America has coal to last 250 years. Why is there a shortage? 2. "We have not found any ancient objects linked to the context, and because the paintings are on ravine walls and in the rainy season the sediments are washed away, all we have is gravel, " said archaeologist Gustavo Ramirez, from the Mexican National Institute of Anthropology and History (Inah). BBC: Cave paintings in Mexico: Carvings uncovered in Burgos
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