brace

支柱英释nnsomething that is used to strengthen or support something, or to make it stiff

拉紧，撑牢英释vvto make something stronger by supporting it

1 She had to wear a brace after the accident..出事以后她只得使用支架。

2 Wait until we’ve braced the ladder..等我们把梯子支撑住再说。