Diffractometers
(diffractometer 的复数) n. [光] 衍射计
🗣️ 情景例句
Go to work. Good-bye.
去工作吧。再见。
There is a time to speak and a time to be silent.
该说话时说话，该沈默时沈默。
Kate, I'm sorry about that argument. I apologize for being so angry with you.
凯特，那次争吵我很抱歉。我为跟你发火向你道歉。