self-bucking hammer
基本释义
自顶式铆枪
实用场景例句
学术讨论
The study revealed that the water was contaminated with industrial scum.
研究表明水面被工业浮渣污染了。
日常对话
He scraped the scum off the soup before eating it.
他在吃汤之前刮掉了上面的浮沫。
留学生活
The local beach was littered with scum after the storm.
暴风雨过后，当地海滩上布满了浮渣。
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