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- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- Cement output next year would be57 million tons. 明年的水泥产量(将)有5700万吨。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- The front of the brick house was faced with cement. 这栋砖房的正面抹了一层水泥。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- Our object is to further cement trade relations. 我们的目标是进一步加强贸易关系。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- Concrete is made of cement, sand, stone and water. 混凝土是由水泥，砂子石头和水混合做的。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The sack of cement hit the ground with a thump. 水泥袋砰的一声落在地上。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The cement will set in a few hours. 水泥几小时后就会凝固。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- A fine lime cement used as a finishing coat on plaster. 精制石灰胶泥精制石灰胶泥，用于在灰泥表层涂抹成膜
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- We could not pull apart two plates which enclosed a vacuum. 如果两个盘子间是真空，我们就无法将它们分开。
- Able to set and harden under water, as Portland cement. 在水中变硬的能在水下定型并变硬的，如波特兰水泥
