fro的中文翻譯是什麼意思

She stood up and began to pace to and fro.

她站起身，開始來回踱步。

The boat was rocking gently to and fro in the water.

小船在水中輕輕地來回搖盪。

They travel to and fro between London and Paris.

他們奔走於倫敦和巴黎之間.

Small boats busied to and fro.

小船來來往往地穿梭.

Branches waved wildly to and fro.

樹枝猛烈地搖來搖去.