Read Edit View history 马里亚纳海沟 Mǎlǐyànà Hǎigōu Mariana Trench Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 马里亚纳海沟/ 馬里亞納海溝 Mǎlǐyànà Hǎigōu Mariana Trench 马里亚纳海沟是地球上已知最深的海沟。 Edit Delete References Add reference No references for this word.