thin out 变稀疏
thin down 削减/变薄
thin out the crowd 使人群变稀疏
A: The chef thins the sauce with a little cream.
A：厨师用一点奶油把酱汁调稀。
B: If it becomes too thick, she thins it out.
B：如果变得太浓，她会把它稀释开。
1) 使变薄
2) 使变稀
3) 第三人称单数形式
1. 使变薄或变稀
verb
1. To make something thinner or less dense.
Synonym: dilute