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tropical year的英文翻譯是什麼意思，詞典釋義與在線翻譯：
參考翻譯
- 太陽年
英英釋義
Noun:
-
the time for the earth to make one revolution around the sun, measured between two vernal equinoxes
tropical year的用法和樣例：
例句
用作名詞 (n.)
- A tropical year is a measurement of time from one winter solstice to the next.
回歸年是指從一年冬至到下一年冬至的時間段。
