| 例句 |
One of the campers stood sentinel while the others slept.在其他露营者睡觉时，有一名露营者站岗守卫。The trees stand sentinel on the cliffs.这些树像哨兵般整齐地耸立在悬崖之上。The tree stood by itself, a lonely sentinel in the darkness.这棵树孤零零屹立，像黑暗中一个孤单的哨兵。Their EMP could take out every sentinel.他们的电磁脉冲武器会扫除掉每个乌贼。 |