Sheed
abbr. Scanning High Energy Electron Diffraction 扫描高能电子衍射
🗣️ 情景例句
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
I'm afraid you will be late.
我怕你会迟到。
No! I think February is worse than January.
不！我认为2月比1月更糟。