thicken

动词 thicken:

1. make thick or thicker
   同义词：inspissate
2. become thick or thicker
   同义词：inspissate
3. make viscous or dense
   同义词：inspissate

1. It is coming in foggy; we had better get home before it thickens.
   现在开始起雾了，我们最好赶在雾浓前回家。
2. The plot thickens.
   情节复杂起来了。