prop造句

If you have difficulty sitting like this, prop up your back against a wall.
如果这么坐着有困难，就背靠墙坐吧。

A worker put a prop against the wall of the tunnel to keep it from falling.
一名工人用东西支撑住隧道壁好使它不会倒塌.

He used a box to prop the door open.
他用盒子顶住门,让门开着.

• #prop