reciprocate
US /rɪˈsɪp.rə.keɪt/
UK /rɪˈsɪp.rə.keɪt/
动词
1.
回报, 报答, 互换
to respond to a gesture or action by making a corresponding one
示例:
•
I would like to reciprocate your hospitality by inviting you to dinner.
我想通过邀请你吃晚饭来回报你的热情款待。
•
He smiled at her, but she didn't reciprocate.
他向她微笑，但她没有回以微笑。
2.
往复运动
(of a part of a machine) move backward and forward in a straight line
示例:
•
The piston reciprocates within the cylinder.
活塞在气缸内往复运动。
•
The mechanism is designed to reciprocate at high speeds.
该机构设计用于高速往复运动。
在 Lingoland 学习这个单词