📖 牛津释义
deep-mined
adj (of coal) taken from far down in the earth （指煤）从地下深处开采的. Cf 参看 open-cast (open1).
🧩 词语组成解析
deep
[dip]
adj. 深的;深远的，深奥;重大的，深刻的;强烈的，痛切的，深厚的;
n. 深处，深渊;
adv. 深深地，深入地;
n. 开采
🗣️ 情景例句
I got it!
我知道了。
Out of debt, out of danger.
无债一身轻。
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。