pineal

adj shaped like a pine-cone 松球状的.

pin, pin down, pin-ball, pin-head, pin-money, pin-stripe, pin-table, pin-up, pinafore, pinafore dress, pince-nez, pincer, pincer movement, pinch, pinchbeck, pinched, pincushion, pine, pine-cone, pine-needle, pineal gland, pineapple, ping, ping-pong, pinion, pink, pink gin, pink-eye, pinkie (also pinky), pinking shears (also pinking scissors), pinkish, pinnace, pinnacle, pinnate, pinny, pinpoint, pinprick, pins and needles, pint, pint-sized,