second-mark

英 ['sekəndm'ɑːk] 美 ['sekəndm'ɑːk]

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- n. 秒号
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临近单词

secondness second second harmonic magnetic modulator second-order Hidden Markov Model Second school year second semester second-order differential system second period water supply project second-third trimester gestation second electron cyclotron harmonic second-order multiplexed signals second order sufficiency condition second-order recurrent sequences

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