We saw the splash of light from an electric torch pass back and forth.

我们看到从一支手电桶中发出的光在扫来扫去。

youdao

Using the sockets you could pass the data back and forth you need.

使用套接字你可以你需要来回传递数据。

youdao

Using the sockets you could pass the data back and forth you need.

使用套接字你可以你需要来回传递数据。

youdao