| 单词 | water glass |
| 释义 | water glassnoun 1 [mass noun] A solution of sodium or potassium silicate which solidifies on exposure to air, used for preserving eggs and hardening artificial stone.As the pH of water glass is lowered, colloidal particles of amorphous silica are formed. 2A tube with a glass bottom, for observing beneath the surface of water. |
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