Pumicing
v. 浮岩, 浮石, 轻石（轻而多孔, 可以去除皮肤污垢或使皮肤光滑, 其粉剂可作清洁剂或抛光剂）( pumice的现在分词 )
🗣️ 情景例句
As soon as possible.
越快越好。
Grasp the shadow and let go the substance.
舍本逐末。
In the early days of the settlement of Australia,
在澳大利亚移民初期，