counterpart

n.

配对物；副本；相对物；极相似的人或物

复数：counterparts

1. The secretary of state is the counterpart of the foreign minister.
   国务卿相当于外交部长。
2. The sale director phoned her counterpart in the other firm.
   这位销售主任给另一家公司的销售主任打电话。
3. Night is the counterpart of day.
   黑夜与白天相辅相成。
4. I racked my memory in vain for its counterpart in literature: perhaps you could think of one.
   我绞尽脑汁也想不出它在文学中的对等物，也许你可以想出一个。
5. It has no counterpart in the world.
   举世无双。
6. Each twin was the counterpart of the other.
   孪生子彼此酷似
7. The employer must sign the counterpart of the contract.
   雇主必须签署合同副本。

Counterpart Theory and Quantified Modal Logic
The optical counterpart to the γ-ray burst GRB970508
The optical counterpart to the |[gamma]|-ray burst GRB970508
Classical Potential Theory and Its Probabilistic Counterpart
Mucopurulent cervicitis--the ignored counterpart in women of urethritis in men.
Erratum to ATel #10702: MAXI J1535-571 optical counterpart coordinates
Review: J. L. Doob, Classical potential theory and its probabilistic counterpart
The yeast GTP-binding YPT1 protein and a mammalian counterpart are associated with the secretion machinery
Cerebral generators of mismatch negativity (MMN) and its magnetic counterpart (MMNm) elicited by sound changes
Replacement of the natural Wolbachia symbiont of Drosophila simulans with a mosquito counterpart.