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- He had only an imperfect understanding of his task. 他对自己的任务只是一知半解。
- We live in an imperfect society. 我们生活在一个不完美的社会中。
- 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 quality or condition of being imperfect. 不完美不完美的状态或性质
- An incomplete or imperfect line of verse. 不完全的诗行或不完美的诗行
- 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。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Imperfect articles are rejected by our quality control. 我们进行质量检验时，有缺陷的产品均予剔除。
- imperfect vacuum 部分真空
- 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
- They are going to make the imperfect copies up. 他们打算换掉有缺陷的本子。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- The space shuttle as we know it is still imperfect. 像现在有的太空梭仍然不完美。
- 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。
- I cannot endure listening to an imperfect reader. 我受不了那些发音粗俗的朗读人。
