Leid
abbr. low energy ion detector 低能量離子探測器
??? 情景例句
Would you happen to have a room for two availbale
你們可有一個雙人房間
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在軍隊工作.他就被提拔為少校。
Thank goodness!
謝天謝地！