“look-back time”的概念、定义、翻译、参考文献-科学参考

单词	look-back time
释义	look-back time [`lu̇k ´bak ´tīm] ^ASTRONOMY The time in the past at which the light now being received from a distant object was emitted.
随便看	phagolysosome phagosome phagotroph Phalacridae Phalacrocoracidae Phalaenidae Phalangeridae Phalangida phalanx Phalaropodidae phallic phase Phallostethidae Phallostethiformes phallotoxin phallus phanerite phaneritic phanerocryst phanerocrystalline phanerophyte Phanerorhynchidae Phanerozoic Phanerozonida Phanodermatidae phanotron

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