tufa

英 ['tjuːfə] 美 ['tjuːfə]

• n. 泉华；石灰华；凝灰岩

英英释义

Noun:

1. a soft porous rock consisting of calcium carbonate deposited from springs rich in lime

2. hard volcanic rock composed of compacted volcanic ash

例句

用作名词 (n.)

1. Mono Lake's tufa are particularly dramatic because water diversions have significantly lowered the lake's level, exposing more of the columns.
   因为水源的分流使湖水水位显著下降，使大多数泉华柱暴露出水面，玛洛湖的泉华非常引人注目。
2. The reserve was established to preserve the spectacular tufa towers.
   该自然保护区是为了保护湖区内的“石灰塔”地貌而设。

词汇搭配

• lithoid tufa 石质华
• calcareous tufa 石灰华

近反义词

【近义词】

• tuff 凝灰岩
• calc-tufa [化]石灰华