999英语网英语单词

Chem的音标发音

Chem

英式发音：[kem] 美式发音

双语例句

In 1819 he had announced that the plane of po lari zed light--for example, a ray passed through Iceland spar--is deflected to right or left by various chem ical substances. 李贝. 西洋科学史.

整理:华莱士

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