| 单词 | 气凝胶 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔aerogel〕A highly porous solid formed from a gel, such as silica gel, in which the liquid is replaced with a gas.气凝胶：由凝胶（如硅胶）形成的高渗透性固体，其内部的液体被气体取代美国传统 |
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