bilateral
US /ˌbaɪˈlæt̬.ɚ.əl/
UK /ˌbaɪˈlæt̬.ɚ.əl/

1.
双边的
involving two parties, especially countries
:
•
The two countries signed a bilateral agreement.
两国签署了双边协议。
•
They held bilateral talks to resolve the dispute.
他们举行了双边会谈以解决争端。
2.
双面的
having two sides
:
•
The coin has a bilateral design.
这枚硬币有双面设计。
•
The structure exhibited bilateral symmetry.
该结构呈现双边对称。