英語翻譯：

make a present of

例句：

1. 許多從應用科學反饋來的想法影響著理論科學的發(fā)展。
   A lot of ideas are feeding back from applied science into the pure sciences.
2. 約翰幾乎把他的所有唱片都饋贈給他的朋友，但他還剩一些。
   John gave away almost all of his records to his friends, but he still had a very few left.
3. 部分能量能以與它主要傳播方向相反的方向從一個機械部件傳到另一個機械部件，那就是我們所稱的反饋。
   Part of the energy can be transferred from one part of a mechanism to another, in a direction opposite to its main flow. That's what we call feedback.