When national leaders or organizations ratify a treaty or written agreement, they make it official by giving their formal approval to it, usually by signing it or voting for it.
例句
The parliaments of Australia and Indonesia have yet to ratify the treaty.澳大利亚和印度尼西亚的国会尚未批准该条约。
英英词典释义
Adjective
1. formally approved and invested with legal authority