High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
planes — plural of plane
先理解核心含义，再看它在真实句子里的用法。
an aircraft that has a fixed wing and is powered by propellers or jets
the flight was delayed due to trouble with the airplane
正在加载中文释义…
an aircraft that has a fixed wing and is powered by propellers or jets
正在加载中文释义…
(mathematics) an unbounded two-dimensional shape
正在加载中文释义…
a level of existence or development
we will refer to the plane of the graph as the X-Y plane
any line joining two points on a plane lies wholly on that plane
he lived on a worldly plane
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More ways to explore
Explore words with similar spelling endings or sounds.
Discover the etymology and cognates of this word.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use planes naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
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, OCTANOVE.