英语词汇“positive rays”的读音、翻译、释义、用法及例句-范文网

词汇	positive rays
释义	positive rays【理】阳射线，正电射线。positive: adj. 1.确实的，明确的；确定的；无条件的 (opp ...ray: n. 【动物；动物学】(短鼻)鹞鱼〔cf. skate ...
随便看	guard cell guard chain guard duty guard flag guard hair guard mount guard ring guard room guard ship guard tent guard-house guard-officer guard-rail guardant guarded guardee guarder guardian guardian angel guardian deity guardian saint guardianship guardless guardsman guarneri

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