Cluster sampling
[计] 分组取样, 聚类取样\\n[经] 成群选样, 成串采样
🧩 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;
sampling
['sɑ:mpliŋ, 'sæ-]
n. 抽样;取样;（乐曲的）节录;选录;
🗣️ 情景例句
the girl he was in love with in college married someone else.
他大学时代所爱的女孩跟别人结婚了。
I hadn't planned on swimming across the whole lake.
我可从没计划要游过整个湖。
In the evening, the children come home from school.They arrive home early.
傍晚，孩子们放学回家。他们到家很早。