1
leaf out
不及物动词短语，表示植物长出叶子。
The trees leaf out in early spring.
树木在早春时节长出新叶。
长叶；生叶
Leafs — third person singular of leaf
先理解核心含义，再看它在真实句子里的用法。
长叶；生叶
to produce leaves; put forth foliage
The trees leaf out in early spring.
树木在早春时节长出新叶。
长出叶子
To produce leaves; put forth foliage.
把(蔬菜)分成叶片
To divide (a vegetable) into separate leaves.
leaf
Base
原形
leafs
3rd person
第三人称单数
leafing
-ing
现在分词
leafed
Past
过去式
leafed
Past participle
过去分词
The tree leafs in early spring.
这棵树在早春长叶。
She leafed through the magazine quickly.
她快速地翻看杂志。
He is leafing the pages of his notebook.
他正在翻笔记本的页。
生叶，翻页
She leafs through the magazine quickly to find the article.
她快速翻阅杂志以找到那篇文章。
He leafed through the report before the meeting to get an overview.
他在会议前翻阅了报告以了解大概内容。
The trees are leafing out in early spring, covering the branches with fresh green.
早春时节树木长出叶子，树枝上覆盖着鲜绿色。
不及物动词短语，表示植物长出叶子。
The trees leaf out in early spring.
树木在早春时节长出新叶。
及物动词短语，表示快速翻阅书页。
She leafed through the magazine while waiting.
她一边等待一边快速翻阅杂志。
Not this
He leaved through the magazine quickly.
Use this
He leafed through the magazine quickly.
动词leaf的过去式是leafed（规则变化加-ed），而不是leaved。leaved是错误的拼写，不是标准英语动词形式。
Not this
She left the pages of the book looking for the picture.
Use this
She leafed through the pages of the book looking for the picture.
动词leaf表示翻书页，而left是leave的过去式，意为离开。此处应用leafed（leaf的过去式），表示翻动书页的动作。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
长叶；生叶
The trees leaf out in spring.
树木在春天长出新叶。
剥开生菜叶
Leaf the lettuce before making the salad.
做沙拉前，先将生菜叶剥开。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Watch the sound change
Use Leafs naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：leaf（叶子）变成动词，就是“长叶子”或“剥叶子”，让叶子动起来！
语域：neutral 常见场景：园艺、植物学、烹饪 作为动词，leaf 多用于书面或说明性语境：园艺/植物学中指“长叶、生叶”，烹饪中可指“把蔬菜分成叶片”。它属于中性用词，口语中不算很常见；说植物长叶时常用 leaf out / leafed out。
与 leaf 押韵的词包括 chief, brief, grief, thief, belief, reef（均以 /-if/ 结尾）。注意：拼写相似的 deaf (/dɛf/) 和 clef (/klɛf/) 元音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.