ocean trench英语标准发音:ocean trench英式发音:美式发音:翻译中文海沟ocean trench - 基本释义[词典1]海沟ocean trench - WEB词典ocean trench海沟ocean n trench海沟deep-ocean trench深海沟 参考资料: 1.百度翻译:ocean trench2.有道词典:ocean trench3.爱词霸:ocean trench