leaf noun [C] (PLANT) Add to word list B1 one of the flat, usually green parts of a plant that are joined at one end to the stem or branch

LEAF是英语中的多义词，兼具名词与动词词性，发音为英/美 [liːf]。 其核心含义指植物的叶片，后经语义扩展涵盖书页、金属箔片及门窗扇页等平面薄片状物体。

Clutching a fallen leaf as a symbol of renewal, he openly admitted his errors and pledged to turn over a new leaf. 他紧握一片落叶作为新生的象征，坦率承认了自己的过错，并誓言改过自新。

The leaf is an integral part of the stem system, and most leaves are flattened and have distinct upper (adaxial) and lower (abaxial) surfaces that differ in color, hairiness, the number of stomata (pores …

The meaning of LEAF is a lateral outgrowth from a plant stem that is typically a flattened expanded variably shaped greenish organ, constitutes a unit of the foliage, and functions primarily in food …

Dec 2, 2025 · leaf, in botany, any usually flattened green outgrowth from the stem of a vascular plant. As the primary sites of photosynthesis, leaves manufacture food for plants, which in turn ultimately …

He flattened the wrappers and put them between the leaves of his book. [+ of] 同义词： page, sheet, folio leaf 的更多同义词

1. 生葉片，長葉 [（+out）] The trees on the hill are just leafing out. 山上的樹正在長出新葉。 The trees are just beginning to leaf. 樹剛剛開始長葉子。 2. 匆匆翻閱 [（+through）] I leafed through the …

A leaf is one of the parts of a tree or plant that is flat, thin, and usually green. The leaves of the tree moved gently in the wind.

Some of the leaves of the old book had come loose. A leaf of a table is an extra flat piece that can be added to the top surface to make the table larger.