Permissible dust emission
[机] 容许扬尘
🧩 词语组成解析
dust
[dʌst]
n. 灰尘;（建筑物内、家具或地板等上的）灰尘;遗骸，尸体，人体，人;〈口〉金粉，粉末，粉剂，花粉;
vt.& vi. 拂（一拂），掸（一掸）;
vt. 撒（粉）于;擦去…的灰尘;擦灰;撢去;
🗣️ 情景例句
you'll help me select some of the great places.
能帮我挑一些好地方。
I would like to call a gardener to come this afternoon.
我要叫一个园丁今天下午来。
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，