英语词汇“leap second”的读音、翻译、释义、用法及例句-范文网

词汇	leap second
释义	leap second闰秒〔以原子钟测时每年需加上或减去的一秒钟〕。leap: vi. (leapt , leaped ) 〔现在除成语 ...second: n. 1.秒 (＝1/60分)；秒(针)。 2.片刻；一 ...
随便看	send-off send-out send-up sendai sendal sender sending sending set sending station seneca senega senegal senegalese senesce senescent seneschal senhor senile senility senior senior citizen senior high school senior school seniores priores seniority

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