Diffraction spectrum
[医] 衍射光谱
🧩 词语组成解析
n. 衍射\\n[化] 衍射
🗣️ 情景例句
That's nothing at all.
不用客气。
Time and tide waits for no man.
岁月不等人。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。