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
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
Serves you right!
自作自受！
Everybody on board was worried and we were curious to find out what had happened.
飞机上的人都很着急，大家都急于想知道究竟出了什么事。