Cluster expansion
[化] 集团展开
🧩 词语组成解析
cluster
['klʌstɚ]
n. 丛;簇，串;群;[语言]辅音群;
vi. 丛生;群聚;
vt. 使密集，使聚集;
🗣️ 情景例句
You must be green to believe that!
你真幼稚，竟然相信那个。
I've got a slight pain in my teeth.
我的牙有点痛。
Then they had a second child-a son. How happy they were!
后来他们有了第2个孩子一个儿子。他们多么高兴啊！