Fitness centers typically see a spike in traffic after the New Year, but treadmills and elliptical machines were alarmingly vacant this January.是什么意思_Fitness centers typically see a spike in traffic after the New Year, but treadmills and elliptical machines were alarmingly vacant this January.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句