rarefy

及物动词使纯化; 使稀薄; （思想等）精炼; 使变得精妙深奥

及物动词condense

1. 稀释;使稀薄,抽空：rarefaction 稀薄[化] | rarefy 稀释;使稀薄,抽空 | rare metal 稀有金属

2. 稀薄：rarefied 纯净的 | rarefy 稀薄 | rarely 很少地

3. 使稀少：falsify 伪造 | rarefy 使稀少 | citify 使都市化

4. 使纯化：rarefactionrarenessraritysubtilizationsubtiltytenuitywashiness 稀薄 | rarefy 使纯化 | rarefy 使稀少

rarefy的反义词

1. The star in question, however, when some billions of years had passed since its birth, and its companions began to rarefy, was not satisfied with its destiny and became restless?
    然而，我们提到的这个星星自从它诞生以来已经经历了数十亿年代的沧桑巨变，它的一些伙伴开始稀少，不满足于它们的宿命，变得烦躁不安了？？

2. Rarefy v, 使稀薄, 变稀薄（to make thin, less compact, or less dense
    rare adj 稀罕的，珍贵的+ fy 转化成动词→使稀薄

verb