Sheed
abbr. Scanning High Energy Electron Diffraction 扫描高能电子衍射
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
Oh my god!
我的妈呀！
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。