Propynal
丙炔醛
🗣️ 情景例句
My feeling is that you ought to stay home tonight.
我觉得今晚你应该呆在家里。
I 'm going to dial the number.
我要拨这个号码。
but they lead mysterious lives of their own as well.
但是，它们又有自己神秘的生活方式。