Infrequency
n. 稀罕
✅ 同义词
🔴 反义词
📖 牛津释义
infrequency
n [U].
🗣️ 情景例句
When was the last time?
最近一次是什么时候？
Many drops makes a shower.
积少成多。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：