真题例句：

• Before we could replace the power supply, we would have to remove from the telescope a handrail fixed with four screws.

  在我们更换电源之前，我们必须从望远镜上取下一个用四个螺丝固定的扶手。

  [2018年 温州卷 阅读理解D]

• The handrail could be completely pulled off and the safety tether might break.

  扶手可能会完全脱落，安全绳可能会断裂。

  [2018年 温州卷 阅读理解D]

• Then Houston called up and told me to use the tape to tape the bottom of the handrail.

  然后休斯顿打来电话，告诉我用胶带把扶手底部粘起来。

  [2018年 温州卷 阅读理解D]