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
Seven after nine? No. I'm sure he's in his office.
九点零七分 ，不会太早的。我肯定他到办公室了。
Medicines are not meant to live on.
不能靠药物度日子。
not because he cannot afford, or shuns, their meterial comforts, but because he is afraid of them.
这并不是因为他们付不起钱，也不是为了躲避物质享受，而是因为他们害怕酒店。