The engineer said, "Slide-rule, go!" The dog built a suspension bridge.

建筑师说道：“滑尺，上！”他的狗建造了一座悬桥。

youdao

The engineer said, "Slide-rule, go!" The dog built a suspension bridge.

建筑师说道：“滑尺，上！”他的狗建造了一座悬桥。

youdao