tufa
美['tjuːfə] 英['tjuːfə]
n. 泉华；石灰华；凝灰岩
英英释义
Noun- a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
- hard volcanic rock composed of compacted volcanic ash
例句
用作名词(n.)- 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。
- 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。
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