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- salsify n. 婆罗门参
- simplify vt. 简化；使单纯；使简易
- silica n. 硅土；二氧化硅
- silicosis n. 硅肺病
- siliceous adj. 硅酸的,硅土的
silicified adj. 硅化的; v. 硅化（silicify的过去式）;
silicify v. 使硅化
网络短语:
silicified tuff 硅化凝灰岩
silicified quartz 硅化石英
silicified zone 硅化带
silicified crocidolite 木变石
silicified forest 射洪
silicified tectonite 硅化构造岩
silicified rock 硅化岩
silicified brachiopod fossil 硅化腕足动物
silicified rock-metasomatic quartzite 硅化岩交代石英岩