fossil arc-trench gap succession古: antiquity; ancientry岛弧: island arc海沟: tectogene; fosse; trench; su ...断: break; snap谷: valley; ravine; gorge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:古岛弧-海沟断谷沉积系列，即可在微信中查询翻译
