Pentadiene
戊二烯
🗣️ 情景例句
I heard that you get vitamin D from sunshine, and that you soak it like a sponge.
我听说人们像海绵一样从阳光中摄入维生素D。
Martha will expect you to come by at six o'clock for dinner.
玛莎以为你在六点以前会来吃晚饭。
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。