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。
一种球形笔尖的圆珠笔,使用水性液体或凝胶墨水。
rollerballs — plural of rollerball
先理解核心含义,再看它在真实句子里的用法。
一种球形笔尖的圆珠笔,使用水性液体或凝胶墨水。;一种轨迹球。;宝珠笔;签字笔
A kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink.
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。
一种球形笔尖的圆珠笔,使用水性液体或凝胶墨水。
A kind of ballpoint pen with a spherical nib that uses water-based liquid or gelled ink.
一种轨迹球。
A trackball.
Choose the next layer that will help you use rollerballs 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 rollerballs 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.