Since 1901, 15 daredevils have gone over the falls in barrels or other devices including a kayak and a personal watercraft.是什么意思_Since 1901, 15 daredevils have gone over the falls in barrels or other devices including a kayak and a personal watercraft.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句