1. The company asked us to quicken the pace of the project.
   公司要我们加快工程的进度。
2. The seeds quickened in the soil.
   种子在土壤中生长了。
3. He quickened his pace so as to catch the bus.
   他加快步伐以便能赶上那辆公共汽车。
4. She stirred her soup to quicken its cooling.
   她搅动汤使它凉得快些。
5. Reading adventure stories quickened my imagination.
   阅读冒险故事激发了我的想像力。

　3个名词解释