| 单词 | menstrual parallax |
| 释义 | > as lemmasmenstrual parallax ΚΠ 1769 Philos. Trans. 1768 (Royal Soc.) 58 157 The difference thus produced in the apparent place of the Sun..may..be..called the menstrual parallax. 1823 J. Mitchell Dict. Math. & Physical Sci. 343 Menstrual Parallax of the Sun is [etc.]. < as lemmas |
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