英语词汇“leap second”是什么意思，“leap second”的读音、用法及例句翻译-烛光网

词汇	leap second
释义	leap secondn.（名词） A second of time, as measured by an atomic clock, added to or omitted from official timekeeping systems annually to compensate for changes in the rotation of Earth.闰秒：由原子钟计量的，每年向官方的计时系统中增加或扣除的一秒时间，以补偿地球自转过程中产生的变化
随便看	affective disorder affectless affects affenpinscher affenpinschers afferent afferents affiance affianced affiances affiancing affiant affiants afficionado affidavit affidavits affiliate affiliated affiliates affiliating affine affined affined affines affining

烛光网英语在线翻译词典收录了166908条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。