好词典
dust
UK /dʌst/US /dʌst/
词源
源自古英语 'dūst'，与德语 'Dunst'（蒸汽）同源，原始日耳曼语词根意为『细小的颗粒』或『雾气』。
noun
❶ 指细小的干土颗粒或粉末，通常积聚在物体表面，需要清扫或擦拭去除。
“The old bookshelves were covered in thick dust.”
（旧书架上积了厚厚的灰尘。）
“She wiped the dust off the photo frame with a cloth.”
（她用布擦掉了相框上的灰尘。）
❶ 比喻毫无价值或微不足道的事物，常用于否定或轻视的语境中。
“His promises turned to dust when he failed to deliver.”
（当他未能兑现时，他的承诺化为泡影。）
“All their efforts were reduced to dust after the project was canceled.”
（项目取消后，他们所有的努力都付诸东流。）
同义词:dirt, particles, powder, grime, debris
verb
❶ 清除灰尘的动作，通常用布或工具擦拭表面。
“She dusted the furniture every Saturday morning.”
（她每周六早上都会给家具除尘。）
“He took off his hat and dusted it against his knee.”
（他摘下帽子在膝盖上拍了拍灰。）
❶ 撒粉状物质，如糖粉或杀虫剂，使其均匀覆盖在物体表面。
“Dust the cake lightly with powdered sugar before serving.”
（上桌前在蛋糕上轻轻撒一层糖粉。）
“The farmer dusted the crops with pesticide.”
（农民给庄稼喷洒农药。）
同义词:clean, wipe, sprinkle, powder, coat
常见短语
bite the dust — 俚语，表示失败、死亡或被摧毁，带有戏剧性色彩。
“Another small business bit the dust during the economic crisis.”
（又一家小企业在经济危机中倒闭了。）
dust settles — 比喻混乱或动荡过后情况逐渐明朗或平静下来。
“We'll make decisions after the dust settles from the merger.”
（等合并的风波平息后我们再作决定。）