Cluster selection techique
[经] 集体选样技术
🧩 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
Yes, he missed a phone call from Alexandra.
对 他没接到Alexandra打来的电话。
Once a man and twice a child.
一次为成人，两度当小孩。
Armed with a torch, the vicar went up into the clock tower to see what was going on.
牧师拿着一支电筒走上钟楼想去看看究竟发生了什么事情。