久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

reciprocate

英 [r?'s?pr?ke?t] 美[r?'s?pr?ket]
  • vt. 報(bào)答;互換;互給
  • vi. 往復(fù)運(yùn)動(dòng);互換;酬答;互給

英英釋意


1. act, feel, or give mutually or in return;
"We always invite the neighbors and they never reciprocate!"
2. alternate the direction of motion of;
"the engine reciprocates the propeller"