英语词汇Ra²怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Ra²
释义	Ra² 【化】元素镭 (radium) 的符号
随便看	under the arm under the baton of under the charge of under the circumstances under the cosh under the counter under-the-counter under the cover of under (the) cover of under the doctor under the doctor for under the doctor (for) under the favour of under (the) favour of under the flag of under the gun under the guns under the gun(s) under the hammer under the harrow under the heel of under the heels of under the heel(s) of under the hoof under the hoof of

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