Hexadeeene
十六碳烯
🗣️ 情景例句
Would you show me the drawings, please?
请把草图给我看看好吗？
May I propose that we break for coffee now?
我可以提议休息一下，喝杯咖啡吗？
She's very well, too, Helen.
她也很好，海伦。