Balto, however, proved his mettle when he plunged into the driving snow and hurricane force winds, at one point halting to save the team from death in the Topkok River.是什么意思_Balto, however, proved his mettle when he plunged into the driving snow and hurricane force winds, at one point halting to save the team from death in the Topkok River.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句