【机】 mesityl oxide
dish; vegatable
【医】 Limnanthemum nymphoides
base; basic; foundation; key; primary; radix
【化】 group; radical
【医】 base; basement; group; radical
burn up; change; convert; melt; spend; turn
oxygen
【医】 o; O2; oxy-; oxygen; oxygenium; phlogisticated gas