Rhinanthin
[化] 玄参苷
🗣️ 情景例句
Of course.
当然。
I'll take it.
我要了。
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。