condensing monochromator

例句：

1. 1. The hot air beganto condense into droplets of water.
   热空气开始凝结成水滴。
2. 2. The icecream was condensing in the freezer.
   冰淇淋在冰箱里凝结了。
3. 3. The steamfrom the boiling water began to condenseinto fog.
   沸腾的水蒸气开始凝结成雾。