您要查找的是不是：
- I advise waiting till the proper time. 我建议等到适当的时候。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- I do not think it's proper for you to behave so. 我认为您这样的举止不合体统。
- It's not proper for you to catch him up very short. 你突然打断他的话是不恰当的。
- She's not at all a proper person for you to know. 她可不是正派人，你不应该结识她。
- mechanical propersities 力学性能
- She hadn't had a proper holiday for years. 多年来她都没有过真正的假期。
- The company does not take proper fire precaution. 公司未采取正当的防火措施。
- Water is not a proper substitute for wine. 水不是酒的适当代用品。
- The move water have mechanical energy. 流动的水拥有机械能。
- The pages aren't in proper order. 这些页数次序不对。
- Recycling is the only proper way. 循环再生是惟一的好办法。
- Blinking is a mechanical action of the eyelids. 眨眼是眼睑的无意识动作。
- It's hard to get at the spark plug without a proper wrench. 没有一把合适的扳钳，要抓住那个火花塞是困难的。
- I made a proper balls-up of that exam. 那次考试我考得一塌糊涂。
- Lack of proper food often stunts a child. 缺少适当的食物常常阻碍小孩的发育成长。
- A mechanical model of the solar system. 太阳系仪太阳系的机械模型
- Many young people think old people are too proper. 许多年轻人认为老人太循规蹈矩。
- In a strict, step-by-step or mechanical way. 机械地以严格的，一步一步的或机械的方式
