1. The Marshal stepped over the vacuum-cleaner and stumped out of the room.
2. Vacuum-packed ham slices should be unwrapped 30 minutes before serving.
3. The collapse of the army left a vacuum in the area.
4. He could hear the whirr of a vacuum cleaner.
5. We lived in a vacuum — no life, no news, no books.
我们生活在与世隔绝的环境里——没有其他生物,收不到外界消息,也没有书看。
6. The vacuum flask has a strong casing, which won't crack or chip.