Parent compound
[机] 母化合物
🧩 词语组成解析
parent
['pɛərənt]
n. 父亲（或母亲）;先辈;根源，起源;保护者;
🗣️ 情景例句
What about the salary?
薪水怎么样？
Do you live in the city?
你在城市里居住吗？
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。