Ultradense
adj. 高度密集的
🗣️ 情景例句
No problem.
没问题。
I only regret that I have but one life to give for my country.
我抱憾的是，只有一次生命能献给祖国。
Mars has an extraordinary fascination for would-be voyagers.
火星对未来的星际旅客来说有着特殊的魅力。