英语词汇“Knowledge: Why do we have day and night?”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Knowledge: Why do we have day and night?
释义	Knowledge: Why do we have day and night? 小知识:我们为什么有白天和夜晚?
随便看	Presetting and Measuring Systems presetting apparatus presetting bit presetting circuit presetting counter presetting cutter presetting-height presetting machine presetting measuring instrument pre-setting measuring instrument presetting mechanism presetting of a route presetting of channels presetting of the desired value presetting period presetting prototype pre-setting rule pre-settings presetting system presetting tables for tools presetting tool principle presetting value Presetting works presettle presettlement