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
The performing arts centers and the street performances.
表演艺术中心及街头表演。
To knit a scarf for her sweetheart
替她的情人织围巾
Good, we've been waiting a long time.
好，我们已经等好久啦。