positive hole

• 空穴

positive hole的用法和样例：

例句

1. The reason is that people born with the heart outside their ribcage do not have a hole in the chest cavity to fill up.
   原因是，出生时心脏就在胸腔外的病人，其胸腔里没有可容纳心脏的空穴。
2. The other way was to knock a bound electron off a neutral atom creating simultaneously an electron and a hole.
   另一种方法是把束膊电子从中性原子中撞出，同时产生电子和空穴。