Clusters
n. 群集；簇；丛（cluster的复数形式）
🗣️ 情景例句
How much does a return ticket cost?
返程票多少钱？
No smoke without some fire.
无风不起浪。
The boys felt tired so they put out the fire and crept into their tent.
于是他们扑灭了篝火，钻进了帐篷。