However, the two movements while occurring at approximately the same time were in fact very different.

但是，虽然这两个运动大约同时兴起，但实质上迥然不同。

youdao

At approximately the same time, however, the barrel of bricks hit the ground, and the bottom broke out of the barrel.

然而大约就在同时，那桶砖砸到地上，桶底掉落了。

youdao

At approximately the same time, the infundibulum forms as a down growth of the neuroepithelium from the diencephalon.

大约于此同时，漏斗出现，表现为从间脑向下生长的神经上皮。

youdao

Later on, Avis checked in a rental car of mine in approximately the same time.

FORBES: Side Lines

Two rare events happening at approximately the same time is much more unlikely.

CNN: A meteor and asteroid: 1 in 100 million odds

They begin new bull markets together, experience occasional market corrections simultaneously, and sink into global bear markets at approximately the same time.

FORBES: U.S. Stocks Lonely At The Top