Hexadeeene
十六碳烯
🗣️ 情景例句
Time moved at a snail's pace before the holiday.
假期之前时间过得非常缓慢。
A good winter brings a good summer.
瑞雪兆丰年。
Hello! Could I speak to the headmaster, please?
您好！我能和校长通话吗？