Delphinic acid
[化] 异戊酸
🧩 词语组成解析
🗣️ 情景例句
I understood everything the minute I saw her face.
我一看见她的面孔，就明白了一切。
Certainly.
当然可以。
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。