main air duct是什么意思

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用法例句

In actuality, the sequence of the hexagrams in za gua zhuan is based on the Way of alternation of day and night, which, by its innate image-numerological structure, can be divided into three chapters: chapter I, chapter II, and chapter miscellanea.

《杂卦传》卦序效法的是昼夜变化之道,依其内在的象数结构,可分为上、下、杂三篇,表明《杂卦传》的传承是完整无缺的,"错简"说不能成立。

The place was lit up as bright as day.

灯火辉煌，犹如白昼。

Daylight robberies were of frequent occurrence.

白昼行窃已司空见惯了。

The long day is drawing to an end

漫长的白昼将过去。

The days start to lengthen in March .

三月份白昼开始变长。

The day would be full of a certain peace.

白昼将充满一种和平。

The moon is as bright as day.

月亮象白昼一样的明亮。

Dawn merged into day.

黎明渐渐化为白昼。

The lights flashed out and night became day.

灯光闪烁，黑夜如同白昼。

The days are becoming longer.

白昼变得越来越长。

Seemed midnight at noonday.

仿佛变成白昼里的黑夜。

It has been raining for three days on end.

雨不停的下了三昼夜。

Dawn is the herald of day.

曙光是白昼的先驱。

equinoctial line [ circle ]

天球赤道, 昼夜平分线

While day stood distinct in the sky.

而白昼却依然杲杲天际。

the equinoctial colure

二分圈，昼夜平分圈

The earth moves night and day.

地球昼夜不停地运转。

It is not good economy to burn daylight.

白昼点灯并非节约良策。

and rain came down on the earth for forty days and forty nights.

四十昼夜降大雨在地上。