石灰

shí huī yán liè kāi le zú yǐ ràng shù gēn tū pò dòng dǐng

石灰岩裂开了足以让树根突破洞顶。

The limestone is sufficiently fissured for tree roots to have breached the roof of the cave.

rú guǒ nǐ de tǔ rǎng suān xìng hěn qiáng jiù jiā diǎn shí huī

如果你的土壤酸性很强，就加点石灰。

If your soil is very acidic, add lime.

zhè dì fang zhèng zài kāi cǎi shí huī shí

这地方正在开采石灰石。

The area is being quarried for limestone.

shí huī tǔ

石灰土

lime soil

shí huī shuǐ

石灰水

lime water