Polyolefin acid
[化] 聚烯酸
🧩 词语组成解析
n. [化]聚烯烃
🗣️ 情景例句
Dear Mr. Billet.
尊敬的比利先生。
Comfort is better than pride.
安慰胜过傲慢。
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。