They has installed iron bar to prevent thieves of invading.

他们在窗户上装上铁条以防止盗贼入侵。

youdao

They have installed bar iron outside the window in order to prevent thieves invading.

他们在窗户上装上铁条以防止盗贼入侵。

youdao

They have installed bar iron outside the window in order to prevent thieves invading.

他们在窗户上装上铁条以防止盗贼入侵。

youdao