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
What a mess!
太乱了！
What shall I give him for his Easter?
我要给他什么东西作为复活节礼物？
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.
是的，我看见了。他们怎么能这样排放废水呢？海水的颜色多么可怕呀！看来我们班同学根本不能在这里游泳。