pumice

['pʌmis]

n.浮石, 浮岩
v.用浮石磨,用轻石擦净

例句与用法：

Paw prints were seen in a number of places and puma fur was found clinging to bushes.

人们在许多地方可看到爪印，并可发现美洲狮的皮毛粘附在灌木丛上。

The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.

搜捕工作证明是很困难的，因为人们看到的这只美洲狮常常是早上在一个地方，而晚上又在二十英里之外的另一个地方。

The hunt for the puma began in a small village where a woman picking blackberries saw "a large cat" only five yards away from her.

捕捉这只美洲狮的行动是从一个小村子开始的，在那里有位采草莓的妇女曾看到一只“大山猫”离她只有五码远。

词形变化：

形容词: pumiceous | 名词: pumicer | 动词过去式: pumiced | 动词过去分词: pumiced | 动词现在分词: pumicing | 动词第三人称单数: pumices |

详细释义：

n.

轻石; 浮石

vt.

用轻石磨