deepsea trenchcordillera system深海: abysmal sea; abyssal sea; de ...沟: channel; ditch; gutter; tren ...山脉: mountain range; mountain cha ...系统: system深海沟岛弧系统: deepsea trenchisland arc system下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:深海沟山脉系统,即可在微信中查询翻译