frankincense

n [U] type of sweet-smelling gum from a tree, burnt as incense 乳香（有香味的树脂, 可作燃香）.

fragrance, fragrant, fragrantly, frail, frailty, frame, frame-house, frame-up, framed, framework, framing, franc, France, franchise, Francis Bacon, Franciscan, Franco-, francophone, frank, frankfurter, franking-machine, frankly, frankness, frantic, frantically, Franz Schubert, fraternal, fraternally, fraternity, fraternization, fraternisation, fraternize, fraternise, fratricidal, fratricide, fraud, fraudulence, fraudulent, fraudulently, fraught, fray, frazzle,