好词典

reciprocating

UK /rɪˈsɪprəkeɪtɪŋ/US /rɪˈsɪprəkeɪtɪŋ/

词源

源自拉丁语 'reciprocus'(交替的,来回的),通过法语 'réciproquer' 演变而来,16世纪进入英语。

adjective

❶ 指物体或部件进行前后或上下往复运动的,常见于机械装置中,如发动机活塞的运动方式。

“The reciprocating motion of the piston drives the engine.”

(活塞的往复运动驱动发动机运转。)

“Reciprocating saws are commonly used in construction work.”

(往复锯通常用于建筑工程中。)

同义词:alternating, oscillating, back-and-forth

verb

❶ 指双方互相给予或交换某种行为、情感或物品,强调互动性和对等性。

“They reciprocated each other's kindness during difficult times.”

(他们在困难时期互相回报对方的善意。)

“The company reciprocated the client's loyalty with special discounts.”

(公司用特别折扣回报客户的忠诚。)

同义词:return, repay, requite

常见短语

reciprocating engine — 指通过活塞在气缸内做往复运动来产生动力的内燃机,常见于汽车和机械设备。

“Most cars use a reciprocating engine to convert fuel into motion.”

(大多数汽车使用往复式发动机将燃料转化为运动。)

reciprocating motion — 指物体沿直线或弧线进行来回重复的运动模式,常见于机械部件中。

“The sewing needle moves in a rapid reciprocating motion.”

(缝纫针进行快速的往复运动。)