Four-circle diffractometer
[化] 四圆衍射仪
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
n. [光] 衍射计
🗣️ 情景例句
What's your plan for the May Day holiday?
你计划好怎样过五一假期没有？
Why did't you go home?
为什么你不回家？
'What are you doing?' she asked.
“你在干什么？”她问道。