您要查找的是不是：
- The hard core in the party make all the decisions. 这个党的核心成员决定一切。
- 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。
- 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。
- This concept is at the very core of her theory. 这个概念是她理论的核心。
- 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。
- He was a military man to the core. 他是个地地道道的军人。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Let's get to the core of the argument. 咱们进入实质性的辩论吧。
- The core of our appeal is freedom of speech. 我们的要求的核心是言论自由。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- The earth has a core and a mantle around it. 地球的中心是地核，地核的周围是地幔。
- He ate the plum, and threw the core away. 他吃掉了李子，并扔掉了果核。
- Let's get to the core of the matter. 让我们看看事情的核心。
- 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
- Each student studies four core subjects. 每个学生学习四门基础课。
- He is really rotten to the core. 他真是坏透了。
- It took a long time to get to the core of the affair. 花了很长时间才抓住这件事的要害。
