American Ephemeris and Nautical almanac是什么意思 American Ephemeris and Nautical almanac在线中文翻译

American Ephemeris and Nautical almanac

中文翻译
1
美国天文年历和航海年历

相关单词辨析

or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且,Hurry up and you'll catch the bus.