n.哨兵,步兵( sentry的名词复数 );
例句:
The sentry would not let her enter
警卫不让她进去。
Nurses may succeed to sentry training of adaptability after graduate.
在护士毕业后进行适应性岗位培训;
All afternoon he will work, scooping out the moat and packing the walls. Bottle tops will be sentries. Sticks will be bridges. A sandcastle will be built.
他会干一下午:挖护城河,建城墙,用瓶盖做岗哨,用木棍做桥,就这样,一座城堡建成了。