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
I don't know.
我也说不上来。
Every dog is valiant at his own door.
站在家门口，狗也雄纠纠。
Take care!
保重！