pimpernel

n wild plant with small, star-shaped, scarlet, blue or white flowers that close up in wet or cloudy weather 海绿（矮小野生植物, 花星形, 呈红、 蓝或白色, 阴雨天闭合）.

pilferer, pilgrim, pilgrimage, pill, pillage, pillar, pillar-box, pillbox, pillion, pillory, pillow, pillow-fight, pillowcase (also `pillowslip), pilot, Pilot Officer, pilot-boat, pilot-fish, pilot-light (also `pilot-burner), pimento, pimp, pimple, pimpled, pimply, 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,