That force took shape in the middle of spring with the arrival of Tom Buchanan.

那股力量在春天过了一半的时候，随着汤姆·布坎农的到来。

A gardener usually cannot go back and begin again in the middle of spring or summer.

园丁通常无法在春天中期或夏天重新开始。

I'm in the middle of spring inventory.

店里在进行春季盘点。