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词汇 saros
释义

Definition of saros in English:

saros

noun ˈsɛːrɒsˈsɛrɑs
Astronomy
  • A period of about 18 years between repetitions of solar and lunar eclipses.

    〔天文〕沙罗周期

    Example sentencesExamples
    • Total solar eclipse tracks perform consistent geographical steps within a saros, as in Figure 2.2, and there are systematic trends in other eclipse sequences.
    • This period is known as the saros, a Greek word meaning ‘repetition’ that is itself derived from the Babylonian sharu.
    • Thus these three eclipses crossing the United States were all part of the same saros cycle, a sequence that began in 1535 and will continue until the 75th eclipse in the year 2888.
    • He observed the Moon through one complete 18-year saros.
    • Referring to Figure 15-7 one sees how this eclipse echoes that of February 26, 1998, which was a saros earlier.

Origin

Early 19th century: from Greek, from Babylonian šār(u) '3,600 (years)', the sense apparently based on a misinterpretation of the number.

Definition of saros in US English:

saros

nounˈseräsˈsɛrɑs
Astronomy
  • A period of about 18 years between repetitions of solar and lunar eclipses.

    〔天文〕沙罗周期

    Example sentencesExamples
    • This period is known as the saros, a Greek word meaning ‘repetition’ that is itself derived from the Babylonian sharu.
    • Thus these three eclipses crossing the United States were all part of the same saros cycle, a sequence that began in 1535 and will continue until the 75th eclipse in the year 2888.
    • Referring to Figure 15-7 one sees how this eclipse echoes that of February 26, 1998, which was a saros earlier.
    • He observed the Moon through one complete 18-year saros.
    • Total solar eclipse tracks perform consistent geographical steps within a saros, as in Figure 2.2, and there are systematic trends in other eclipse sequences.

Origin

Early 19th century: from Greek, from Babylonian šār(u) ‘3,600 (years)’, the sense apparently based on a misinterpretation of the number.

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