网站首页  汉语  德语  英语

请输入您要查询的英文单词：

　

单词 nautical twilight
释义

Definition of nautical twilight in English:

nautical twilight

noun

  • The two periods of the day immediately before sunrise and after sunset when the sun is less than 12 degrees below the true horizon.

Origin

1930s; earliest use found in Nautical Almanac 1937.

Definition of nautical twilight in US English:

nautical twilight

noun

  • The two periods of the day immediately before sunrise and after sunset when the sun is less than 12 degrees below the true horizon.

Origin

1930s; earliest use found in Nautical Almanac 1937.
随便看

　

雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。

　

Copyright © 2002-2024 53pku.com All Rights Reserved
更新时间：2025/7/4 15:23:37