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 have my sincere apology.
我诚心诚意向你道歉。
To cross the street
横穿马路
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。