| 单词 | perlite |
| 释义 | perlite perlite 也作 pearl.ite AHD: [pûr“lºt”] D.J. [6pT87la!t]K.K. [6pP7la!t]n.（名词）A natural volcanic glass similar to obsidian but having distinctive concentric cracks and a relatively high water content. In a fluffy heat-expanded form perlite is used as a lightweight aggregate, in fire-resistant insulation, and in soil for potted plants.珍珠岩：一种天然火山玻璃岩，类似于黑曜岩，但它有清晰的同轴裂纹和相对高的含水量。轻的热膨胀形珍珠岩可用作轻型建材，也可用于绝热材料和盆栽植物的土壤中语源:1. French from perle [pearl] from Old French * see pearl 1法语 源自 perle [珍珠] 源自 古法语 *参见 pearl12. or German Perlite from Perle [pearl] ultimately from Vulgar Latin *pernula 或 德语 Perlite 源自 Perle [珍珠] 最终源自 俗拉丁语 *pernula 继承用法:perlit“ic AHD: [p…r-l¹t“¹k] （形容词） |
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