【机】 active amyl propionate
【化】 metacetonic acid; methyl acetic acid; propanoic acid; propionic acid
pseudacetic acid
【医】 propionic acid
screw; spin; whirl; come back; lathe; return; revolve; soon
【医】 administer; spin
become; fully grown; succeed
ester
【化】 ester
【医】 compound ether; ester; lactam; lactan