| 短语 | keep tracks of |
| 释义 | keep tracks of1.保持与(某人)的联系：We keep tracks of our old classmates to tell them in time the development and changes taking place in our Alma Mater.我们保持与老同学们的联系，以便及时告诉他们母校的发展变化。2.留心(某事物)的发展;掌握(某事物)的线索：We should keep tracks of modern science and technology in the world so as not to fall behind.我们应当留心世界上现代科学技术的发展以免落在后面。 |
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