frame mount

例句：

1. 1. The carpenter framed the door and secured it with screws.
   木匠把门框起来并用螺丝固定。
2. 2.The scientist mounted a telescope to observe the stars.
   科学家把望远镜安装好以便观察星星。
3. 3. The engineer framed the roof and reinforced it with steel beams.
   工程师把屋顶框架起来并用钢梁加固。