Normally the two timers are in step, and the external cues tend to regularise the internal clocks to the more convenient 24 hour period.是什么意思_Normally the two timers are in step, and the external cues tend to regularise the internal clocks to the more convenient 24 hour period.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句