英语词汇upturn的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	upturn
词根词缀	Online Etymology Dictionary upturn n. 1868, "upturned part," from up, adv. + turn, n.. Meaning "improvement" (especially in economics) is from 1930.
随便看	pince-nez pincers pinch pinch- pincushion Pindaric pine pineal pineal-, pinea- pineapple pine-barren pine cone pine-tree pin-feather ping ping-pong pinguid pingu-, pingue-, pingui- pinhead pin-hole pinion pink pink-collar Pinkerton pink-eye

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