adj.三邊的 ‖ Trilateral Commission of Japan,North America and Europe (TC)（日美歐）三邊委員會 Trilateral Coordination and Oversight Group (TCOG)（美韓日）三方對朝政策協(xié)調(diào)和監(jiān)督小組 trilateral negotiation 三邊會談 trilateral relations 三邊關(guān)系 trilateral trade 三邊貿(mào)易