deep graben深: deep地: the earth堑: moat; chasm地堑: fault graben; fault trough; faulted trough; faultgraben; rift trough; rift valley; sunken block根深地: inveterately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:深地堑，即可在微信中查询翻译
