Dihydrocodeinone
二氢可待因酮
🗣️ 情景例句
Sure ... and a little scared.
当然……还有一点紧张。
What would you like to eat?
你想吃什么呢？
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。