修改
谷物
覆盖
使陷入绝境
corner ['kɔ:nə]
n. 角落，拐角处；地区，偏僻处；困境，窘境 vi. 囤积；相交成角 vt. 垄断；迫至一隅；使陷入绝境；把…难住
例句：A police motorcycle chased his car twelve miles, and cornered him near Rome.
句意：一辆摩托警车跟在他的车后追了12英里，最后在快到罗马时将他截住。
