Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
化学元素(符号Ra),原子序数为88。它是一种柔软、有光泽、银白色的放射性碱土金属。
radiums — plural of radium
先理解核心含义，再看它在真实句子里的用法。
化学元素(符号Ra),原子序数为88。它是一种柔软、有光泽、银白色的放射性碱土金属。；镭；[化] 镭Ra
The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
Prepare the learner guide for this word
可生成：语法 Grammar、学习解释 Learner guide、例句 Examples。只有点击后才会开始生成。
化学元素(符号Ra),原子序数为88。它是一种柔软、有光泽、银白色的放射性碱土金属。
The chemical element (symbol Ra) with an atomic number of 88. It is a soft, shiny and silvery radioactive alkaline earth metal.
Choose the next layer that will help you use radiums with more confidence.
Recommended next
Includes Usage patterns & Collocations
Learn how to use this word with grammar patterns and natural collocations.
Includes Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
Use radiums naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.