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。
一种笔,形状和大小类似铅笔,内部装有粘稠快干墨水,使用时通过笔尖处直径约0.7至1毫米的金属球滚动出墨。
ballpoint pens — plural of ballpoint pen
先理解核心含义，再看它在真实句子里的用法。
一种笔,形状和大小类似铅笔,内部装有粘稠快干墨水,使用时通过笔尖处直径约0.7至1毫米的金属球滚动出墨。；圆珠笔
A pen, similar in size and shape to a pencil, having an internal chamber filled with a viscous, quick-drying ink that is dispensed at the tip during use by the rolling action of a metal sphere (around 0.7 mm to 1 mm in diameter).
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。
一种笔,形状和大小类似铅笔,内部装有粘稠快干墨水,使用时通过笔尖处直径约0.7至1毫米的金属球滚动出墨。
A pen, similar in size and shape to a pencil, having an internal chamber filled with a viscous, quick-drying ink that is dispensed at the tip during use by the rolling action of a metal sphere (around 0.7 mm to 1 mm in diameter).
Choose the next layer that will help you use ballpoint pens 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 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 ballpoint pens 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 DICTIONARY_API_DEV, ECDICT, WIKTIONARY.