1.轻石,浮石;浮岩;泡沫岩
1.用浮石磨,用轻石擦
1.All over Pompeii, people lay down on beds of pumice stones, overwhelmed by the gas, and death came quietly to them.
庞贝城内，到处都是躺在铺满浮石的地上的人们，他们被毒气昏迷，死亡无声无息地向他们逼近。
2.Walking through the rubble of the camp one afternoon, Seelaus, who often picked up volcanic pumice stones, spotted a special one.
一天下午，西罗斯走在营房的鹅卵石地面上时，平时喜欢收集火山浮石的他突然发现地上有一块很特别的鹅卵石。
3.They were pumice stones consisting mostly of air bubbles.
石头很轻，它们是由气泡组成的浮石。
4.The pumice stones did little damage.
浮石并未造成巨大的破坏。
5.Daily massages with large pumice stones and coconut husks, to keep their blood circulation healthy
用大浮石和椰壳按摩，以保持它们血液循环畅通