1、A deformation way from round welded pipe to square one is introduced.
介紹了一種由圓形焊管變方形焊管的變形方式。

2、square one and had to start all over again
約翰正在建造一幢小房子，但是在暴風雨中房子被吹倒了。結果他又回到了原狀，只得重新開始。

3、She was used to tulou living - she had grown up in a square one herself.
因為她從小也是在土樓中長大，雖然是方形土樓，所以她對土樓生活并不陌生。

4、In this game, you begin on square one and win by climbing the ladders to the last square.
在這種游戲中，玩家從第一個格子開始，通過梯子爬到最后一格獲得勝利。

5、"There were fewer cars, it was more accessible," he said as we drove past the square one afternoon.
“那時車很少，很容易進廣場”，他說如果我們在某天下午開車穿過廣場。