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
Something old.
旧的东西。
Heaven helps those who help themselves.
天助自助者。
Be sure to call me if you need anything.
如有什么需要，请叫我