leaf
复数形式
leaves
1
叶子
a usually green part of a plant in which the photosynthesis takes place
- He carefully examined the underside of the leaf to check for signs of pests or diseases.
他仔细检查了叶子的背面，以检查是否有害虫或疾病的迹象。
- The tree's leaves rustled gently in the breeze, creating a soothing sound in the quiet forest.
树的叶子在微风中轻轻沙沙作响，在寂静的森林中创造出一种舒缓的声音。
- She collected a few fallen leaves from the ground to use in a craft project for the fall season.
她收集了一些从地上掉下来的叶子，用于秋季的手工项目。
- The gardener noticed that the leaves on the tomato plants were turning yellow, indicating a possible nutrient deficiency.
园丁注意到番茄植株上的叶子正在变黄，这表明可能存在营养缺乏。
- A single leaf fell from the tree.
一片叶子从树上掉了下来。
2
a hinged or removable flat section of a structure, such as part of a table or a door
3
a sheet of written or printed material, especially in a manuscript or book
A leaf is a single sheet of paper in a book that is folded to create two pages: one on the front and one on the back. Each leaf contributes to the book's structure, with multiple leaves bound together to form the complete book. The term "leaf" is often used in bookbinding and printing to refer to the physical sheet itself as individual units within the book, rather than the content pages that may have text or illustrations printed on them.
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