1. 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。
※The paramount duty of Congress is to stop deficiencies by the restoration of that protective legislation which has always been the firmst prop of the Treasury.——William Mckinley, American president 国会的最高职责是恢复始终是国家财政最坚实支柱的保护性立法,以制止财政赤字。美国总统 科金利.W.