simple leaf
simple leaf — 名詞
1. A leaf whose blade is a single continuous piece — it may have cuts or deep notch
單葉
葉片不分離成小葉的葉子
A leaf whose blade is a single continuous piece — it may have cuts or deep notches along the edge but is not separated into smaller leaf-like parts called leaflets, unlike a compound leaf.
In biology class, Trang examined a maple leaf as a simple leaf with deep lobes.
生物課上，Trang 觀察了一片楓葉，作為具有深裂的單葉範例。
contrast with compound leaf
The oak tree in the park produces simple leaves with a wavy, easy-to-recognise edge.
公園裡的橡樹長出邊緣波浪狀、容易辨認的單葉。
Ishaan showed the class how a simple leaf attaches to the stem by a stalk called the petiole.
Ishaan 向全班示範單葉如何透過一根稱為葉柄的莖連接到枝條上。
Unlike a rose bush with compound leaves, a cherry tree grows simple leaves along its branches.
與複葉的玫瑰叢不同，櫻桃樹的枝條上長出的是單葉。
Collecting leaves for her project, Sofie noted that birch trees have small simple leaves with jagged edges.
Sofie 收集葉子做報告時注意到樺樹的單葉小而帶鋸齒邊。
- undivided leaf
less formal description; 'simple leaf' is the standard botanical term
- compound leaf
a leaf whose blade is split into separate leaflets (e.g. rose, ash, clover)
用法筆記
In botanical descriptions, the opposite of a simple leaf is a compound leaf, where the blade is divided into separate leaflets. A lobed leaf (e.g. oak, maple) is still a simple leaf as long as the gaps do not reach the central vein.