油腻: grease, greasy food, oily, rich (of food), fatty, greasy and dirty, a slippery character...
火车: train...
航空: aviation...
开: to open, to start, to turn on, to boil, to write out (a prescription, check, invoice etc), to operate (a vehicle), carat (gold), abbr. for Kelvin, book format...
急救: first aid, emergency treatment...
