Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版:英文原文完整保留,中文紧随对应单元;术语采用 v20260916 确认表,自动语义审校结果可追溯。

Testing Sedimentary Rocks

测试沉积岩

A few drops of acid provides a test for carbonates. This limestone sample bubbles vigorously in response to the acid as CO2 is released.

几滴酸液即可用来检验碳酸盐。这种石灰石样品遇到酸液时剧烈冒泡,因为二氧化碳被释放出来。

Applying acid to a second sample. It too tests positive for carbonate.

将酸液应用于另一份样本。它同样呈碳酸盐阳性。

A third sample, which appears to be a coarse collection of shell fragments, is expected to show the presence of carbonate. The acid produces the expected bubbles.

另一份样本似乎是由碎壳组成的粗颗粒集合,预计会显示出碳酸盐的存在。酸与之反应会产生预期的气泡。
Sedimentary rock samples
沉积岩样本
Sedimentary rock
沉积岩
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HyperPhysics*****Geophysics
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