【化】 double extended shaft
【计】 bothway; bustophedon; duplexing
besides; in addition; not closely related; other; outer; outside; unofficial
【医】 ec-; ecto-; exo-; extra-; xeno-
extend; loll; stretch
【医】 extend; extensioin
axes; axis; shaft; spindle
【医】 ax-; ax.; axes; axio-; axis; core