Vacancy cluster
[化] 空位簇
🧩 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
What are you doing?
在做什么？
Let me treat you.
让我请客。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。