Grammar Note
表示除尘时不可数；表示薄层时可数，常用 a dusting of
掸灰；除尘
dustings — plural of dusting
先理解核心含义，再看它在真实句子里的用法。
掸灰；除尘
The household chore of removing dust from furniture and surfaces.
She always does the dusting before guests arrive.
她总是在客人到达之前除尘。
小雪。
A light snowfall.
轻薄的覆盖层。
A light covering of something.
作为家务活的除尘行为。
The act of removing dust from the furniture, as a household chore.
鸟类通过羽毛抖落细土的维护或舒适行为；沙浴。
A maintenance or comfort behaviour in which a bird flushes fine dirt through the feathers; dustbathing.
A light dusting of sugar on the cake makes it look prettier.
蛋糕上撒一层薄薄的糖粉让它看起来更漂亮。
The dusting of pollen on the flowers was visible in the morning light.
在晨光中可以看到花朵上薄薄的一层花粉。
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表示除尘时不可数；表示薄层时可数，常用 a dusting of
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY.