watch glass

n. 表面玻璃

词形变化

动词过去式: watched | 动词过去分词: watched | 动词现在分词: watching | 动词第三人称单数: watches |

英英释义

名词 watch glass:

laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker

a protective cover that protects the face of a watch

同义词：crystal, watch crystal

补充