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
There are many natural catastroophes occurring in nature.
自然界里有很多自然灾害发生。
Do you often do work during the holidays?
你常常在假日期间做工作吗？
No, look, it says Closed. It's not open this morning.
不对，看！写着“关门”的，今天早上不开。