- 深长: profound
- 海沟: tectogene; fosse; trench; su ...
- 长海: changhai; nagaumi
- 深长: profound 意味深长 pregnant with meaning; significant; meaningful; 他意味深长地看着我。 he looked at me with meaning
- 海沟: tectogene; fosse; (oceanic) trench; submarine trench
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