Diffractometers
(diffractometer 的复数) n. [光] 衍射计
🗣️ 情景例句
Sounds of the country.
乡村音响。
I don't believe it.
我才不信咧！
He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。