... back donation|反馈作用 back flushing|反吹，反冲洗 back mutation|回复突变[突变基因又突变为原由状态] ...
2
?反馈效用
... biosensor有生命的事物传感器 back donation反馈效用 bacteriophage conversion噬菌体转化 ...
3
?反馈
... back and fore ribs 牛胴背部 back donation反馈（性） back extraction 反提取；反萃 ...
4
?反应感化
... bacitracin杆菌肽 back donation反应感化 back flushing反吹，反冲刷 ...
双语例句
1
The director reportedly agreed to sign back on for the new films after Fox agreed to make a big donation to his environmental fund.
据报道，在福克斯公司同意向后者的环保基金提供大笔捐款后，卡梅隆最终同意为两部新片操刀。
2
My father has gone back to help with electrical repairs for households damaged by the earthquake. And I have put up donation boxes in Nishinomiya city, Hyogo prefecture, where I live now,” he says.
我父亲也在为受灾的家庭修复损坏的电器，在现在居住的西宫市和兵库县，我也设置了捐款箱，”他说到。
3
My donation is to thank Rotary and to give back to Rotary what it has been offering me.