您要查找的是不是：
- 半semi-
- 半年half a year
- 半天half of the day
- 半小时halfhour
- 50％ lethal concentration半数致死浓度
- 半角DBC case
- concentration analysis集中分析集中分析
- π electronπ电子
- 半月half-moon
- (=equivalent concentration) 当量浓度equiv concn.
- 唔,那么我要electron牌车子。"Him. I 'd like an Electron, then. "
- 上半first half
- (=Fishberg concentration) 菲什伯格浓缩Fish conc.
- 唔，那么我要Electron牌车子。"Him. I 'd like an electron, then. "
- 半场half-court
- (=maximal allowable concentration) 最大允许浓度M.A.C.
- 半透明translucent
- pulsed electron image tube (高速照相用)脉冲电子成像管
- humplike electron dense deposits驼峰样电子致密沉积物
- 一年半a year and a half
