【化】 Abel test
【机】 ar-
seashell; shellfish【医】 bel
ear; erbium【医】 aures; auri-; auris; ear; ot-; oto-
experiment; test; try; try on; try out; examination; experimentation; trialtrial run【计】 breadboarding【医】 probation; test; tria【经】 test; trial