您要查找的是不是：
- They finished the preparatory training. 他们完成了预备训练。
- What are your preparatory measures? 你的初步措施是什么？
- The new grinding machine passed all tests. 这台新磨床通过了所有的试验。
- Her son is studying in a preparatory school. 她儿子正在一所大学预备学校学习。
- I did preparatory exercises before the race. 我在赛跑前做了准备运动。
- There is much preparatory work for us to do. 我们有许多准备工作要做。
- I need a holiday as a relief from the daily grind. 我需要休假以摆脱单调的日常工作。
- A preparatory action or measure. 准备预防性行动或措施
- He is assigned a room on the grind floor. 他分配到底层一间房子。
- They are grinding wheat into flour. 他们正在把小麦磨成面粉。
- It won't grind down any finer than this. 不能磨得比这个再细了。
- He loses his balance and fall to the grind. 他失去平衡，摔倒在地。
- God's mill grind slow, but sure. 天网恢恢，疏而不漏。
- We grind up the wheat to make flour. 我们把小麦磨成面粉。
- You should pack it up preparatory to sending it by post. 在邮寄之前你应该把它包好。
- I have to grind the knife; it is blunt. 我得磨刀;它钝了。
- He managed to grind out a few lines. 他搜肠刮肚勉强写了几句诗。
- He is grinding away for the examination. 他正在拼命用功准备考试。
- Grind up the wheat to make flour. 磨碎麦子制成面粉。
- The strike brought industry grinding to a halt. 由於罢工生产逐渐停顿下来。
