今天我们要学的词是 joint. Joint 做为形容词，意思是联合的。Japan is launching a joint research project with Britain on air-to-air missile technology for fighter jets. 日本将跟英国合作研究战斗机的空对空导弹技术。The United States and South Korea held a five-day joint naval drill. 美国和韩国举行了为期五天的联合海军演习。Tanzania and Algeria are to launch a joint venture company to start oil and gas exploration in Tanzania. 坦桑尼亚和阿尔及利亚准备建立合资公司，在坦桑尼亚共同开发石油和天然气。好的，今天我们学习的词是 joint, joint, joint...