Defect cluster
[化] 缺陷簇
🧩 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
We are prepared for the worst.
我们已有最坏的打算。
Would you like to leave a message?
你想要留下口信吗？
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。