【经】 outer continental shelf
【经】 continental shelf; marine shelf
besides; in addition; not closely related; other; outer; outside; unofficial
【医】 ec-; ecto-; exo-; extra-; xeno-
along; edge; predestined relationship; reason
【医】 acies; border; brim; edge; fringe; labrum; limbus; margin; margines
margo; ora; rim