缔约双方的英文：
both contracting parties

参考例句：

The Contracting Parties shall develop durable relations of peace and friendship between the two countries.
缔约双方应发展两国间持久的和平友好关系。

contracting是什么意思：
[contract]的现在分词

The contract was negotiated.
合约已谈妥。

confidentiality of contracts
合同的保密性

Renewal of contract
合同的续订

crimp contraction
皱缩率

a contracted brow
皱缩的眉头

parties是什么意思：
n. 党，党派；队，社交聚会一方，参与者；餐馆食客
adj. 社交聚会的，党派的，共有的，共用的
v. 参加社交聚会；尽情欢乐，为...举行社交聚会

Ours is a great Party, a glorious Party, a correct Party.
我们的党是一个伟大的党，光荣的党，正确的党。

They are the backbone of the party.
他们是政党的骨干。

an orgy of parties
一连串宴会的狂欢

A corking party.
极好的聚会

They incorporated the Green Party with the Liberal Party
他们将绿党和自由党合并。