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- It has leaf primordia and a shoot apex. 它有叶原基和一个苗端。
- Early leaf development is artificially divided into three main stages: the initiation of leaf primordium, the establishment of leaf adaxial-abaxial polarity, and the expansion of leaf blade. 早期叶片发育包括三个主要过程：叶原基的起始，叶片腹背性的建立和叶片的延展。
- The results showed that the leaf primordium is unsymmetrical during its early development stage.And the leaf primordium differentiates into protodern,ground meristem and procambial bundles. 研究结果表明，叶原基在发育早期其形态是不对称的，内部为同形细胞组成，但很快分化成原表皮，原形成层束和基本分生组织。
- Leaf buttress A leaf primordium, appearing as a protuberance on the side of the stem apex, produced by periclinal division of the tunica and corpus, and associated with a procambium. 叶原座：顶端分生组织上的侧生突起发育成叶的原基，与原形成层有关。
- Lucidique reached across the bed and ran her blade along Kreiger's arm. "We can't leave Primordium," she said. 露辛迪克翻过身用她的长刀紧贴住克里奇的手臂。“我们不能离开普利摩顿。”她说。
- Differentiation of leaf primordium 叶原基分化
- The latent buds were in vegetative stage and characterized by two obvious tunica layers, slowgrowing rib meristem and many pairs of leaf primordia. 枝梢上芽萌枝（花）的能力，以各梢次芽鳞痕留下的潜伏芽及项芽的比例较高，而带叶片的腋芽萌枝（花）的比例较低。
- The olive leaf is a badge of peace. 橄榄叶是和平的象征。
- I saw him take a leaf out of the book. 我看见他从书上撕下一页。
- The maple leaf is the emblem of Canada. 枫叶是加拿大的象征。
- The trees and shrubs were in full leaf. 那些树和灌木枝叶茂盛。
- One of several metal strips forming a leaf spring. 簧片构成片簧的几个金属片中的一个
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The trees come into leaf in spring. 春天，树木吐芽长叶。
- You should take a leaf out of Tom's book. 你应该学学汤姆。
- A leaf came upon her book as she was reading. 她正读著书,一片树叶落到她的书上。
- The trees are just beginning to leaf. 树刚刚开始长叶子。
- Not a leaf nor an insect stirred. 不单是树叶，连个虫子都不动。
- The giraffe eats tender leaf from the tree highly. 长颈鹿从高高的树上吃掉嫩树叶子。
- The falling leaf spiralled to the ground. 落叶盘旋著飘到了地上。
