Sheed
abbr. Scanning High Energy Electron Diffraction 扫描高能电子衍射
🗣️ 情景例句
What's that, Mr. Carlson?
什么事， Carlson先生？
I've got a terrible pain in my back.
我的背很痛。
Jack is trying to cut down on smoking.
竭克正竭力戒烟。