at one time

前置詞句

formerly / simultaneously, at once.

日本語の意味

かつては / 同時に / 一度に

This building, at one time, housed a bustling theater, but now it's a bookstore.

この建物はかつて賑やかな劇場だったが、今は本屋になっている。

意味（1）

formerly

At one time, I could walk ten miles in a day, but I can't any longer.

意味（2）

simultaneously, at once.

A bigamist has two spouses at one time.