The moment at which the sun passes through the autumnal equinox, about September 23, marking the beginning of autumn.

指太阳通过秋分点的时刻，大约为9月23日，标志着秋季的开始。

youdao

By common practice, the September equinox marks the beginning of autumn in the northern hemisphere, and the start of spring in the southern hemisphere.

通常，秋分就意味着整个北半球进入了秋季，与之相对的是南半球进入了春季。

youdao

It shows the beginning of the cool autumn.

它表示凉爽的秋天的开始。

youdao

The four regions expect to have the draft copy of their new Participation Agreement with the Welsh Rugby Union by the beginning of the autumn internationals.

BBC: Lewis remains positive after row

The four regions expect to see a draft copy of their new Participation Agreement with the Welsh Rugby Union by the beginning of the autumn internationals.

BBC: English chief warns Welsh rugby

He was part of a 39-strong Royal Navy team which carried out a number of dives on sunken ships, including HMS Coventry, over a four-month period beginning in the autumn of 1982.

BBC: HMS Coventry diver searched wreckage after ship sank