重点词汇
-
防御
defend; fortify; defense; stand; guard; defence; defensive
-
协定
agreement; pact; treaty; accord; convention; settlement; agree; negotiate; settle; conclude an agreement; reach an accord
defence agreement
防御
defend; fortify; defense; stand; guard; defence; defensive
协定
agreement; pact; treaty; accord; convention; settlement; agree; negotiate; settle; conclude an agreement; reach an accord