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Why do conifers have needlelike leaves ?

为什么针叶树有针状叶子？

Leaves both scalelike and needlelike , sometimes one form predominates .

鳞片状和针状的叶，有时一个形式支配。

The evergreen tree symbolizes strength and perseverance and is characterized by needlelike leaves .

常青树象征力量和坚持，且以针叶为特征。

A fir is an evergreen tree with needlelike leaves that grows especially in cold areas .

冷杉是一种针叶常绿树，尤在寒冷地区生长。

Juvenile leaves are needlelike ; mature leaves are awl-shaped , spreading , and arranged in pairs or in whorls of three .

幼叶呈针状，成熟叶呈锥状，成对或3叶轮生。