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- The sentry was ordered to shoot on sight. 哨兵奉命一发现目标就射击。
- No one was excluded from sentry duty. 人人都得站岗放哨。
- Some stars are invisible to the naked eye. 有些星体肉眼是看不见的。
- He remains invisible when out of spirits. 闷闷不乐时，他不露面。
- The sentry had orders to shoot on sight. 哨兵奉命一发现有动静就立即开枪。
- A sentry stood on guard at the corner. 一个哨兵在角落里站岗。
- The sentry challenged the stranger at the gates. 哨兵查问在门口的陌生人。
- Germs are invisible to the naked eye. 细菌用肉眼看不见。
- The gun can fire invisible rays. 这枪能发出看不见的射线。
- Paul has just come off sentry duty. 保罗刚退哨。
- The mends were almost invisible. 修补过的地方几乎看不出来。
- That comet is invisible to the unaided eye. 那颗彗星只用肉眼是看不到的。
- The differences are almost invisible. 这些差别简直难以辨认。
- She was invisible in the dusk of the room. 她在昏暗的房间里别人看不到她。
- People approaching the gate were challenged by the sentry. 向大门走去的人受到了哨兵的查问。
- Invis fade time down to 5 seconds. 隐形减至5秒。
- The corporal will relieve the sentry in an hour. 下士一小时后接替卫兵。
- The sentry held up his hands in astonishment. 那步哨愕然地举起双手。
- The sentry alarmed the sleeping men. 哨兵向熟睡的士兵报警。
- An assigned position or station, as of a guard or sentry. 哨站，岗位如卫兵或哨兵的指派的站岗位置
