Good avalanche safety is a continuous 11 process , including route selection and examination to the snowpack, weather 12 condition , and human factors.是什么意思_Good avalanche safety is a continuous 11 process , including route selection and examination to the snowpack, weather 12 condition , and human factors.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句