Dark atom
[化] 暗原子; 无放射性原子
🧩 词语组成解析
dark
[dɑrk]
adj. 黑暗的;乌黑的;忧郁的;神秘的;
n. 黑暗;暗色;暗处;
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
What is the color of your new book?
你的新书是什么颜色的？
Her shopping had tired her and her basket ad grown heavier with every step of the way home.
去商店买东西把她搞得筋疲力尽；在回家的路上，她每走一步，就感到手里的篮子又重了一点。