双边的英文：
bilateral

Bilateral/multi-lateral trade negotiation
双边/多边贸易谈判

A contract is either bilateral or unilateral.
合同可以是双边的或单边的。

China has conducted fruitful diplomatic activities in both bilateral and multilateral contexts.
我国进行了卓有成效的双边和多边外交活动。

It's not easy for the two countries to get the bilateral relations of friendship onto this footing
两国的双边友好关系发展到此种地步实属不易。

Donated multilateral or bilateral funds will be allocated to projects in the western region as much as possible
积极争取多边、双边赠款优先安排西部地区项目。

CMEA members have reverted to separate bilateral deals with lip service to multilateralism
经互会成员国只是口头上侈谈多边贸易，实际上却已回复到各族的双边交易。

Bilateral Cooperation in Trade of Agricultural Products
农产品贸易双边合作

The data in the Performance Test shall be bilaterally recorded and confirmed.
在生产线考核期间的数据应由双方共同记录并确认。

Legislative exchanges are an import part of bilateral relations.
立法机构交往是两国关系的重要组成部分。

China has conducted fruitful diplomatic activities in both bilateral and multilateral contexts.
我国进行了卓有成效的双边和多边外交活动。

Small class of bilaterally symmetrical marine forms comprising the tooth shells.
由两边对称的海洋掘足纲软体动物组成的一个小纲。