An oak leaf is a simple leaf.

橡树叶为单叶。

2Mean values of leaf natality(A)and leaf mortality(B).

图2叶出生率(A)和死亡率(B)的平均值 Fig.

He pinched the leaf between his thumb and forefinger.

他将叶子捏在拇指和食指之间。

Here, two leafcutter ants dismantle a leaf in Peru's Manu National Forest.

照片中,秘鲁的摩奴国家森林里两只南美切叶蚁正在啃切一片树叶。

The trees leaf out in the spring.

树在春季长叶。

I dudder and shake like an aspen leaf.

我发哆嗦和颤抖就像是一片摇晃的树叶。

Leaf base often narrowed into a petiole, spurless.

叶基部通常缩小成为叶柄，无距。

He saw a shiny green beetle on a leaf.

我看见树叶上有一只闪闪发光的绿色甲虫。

Cut the stem cleanly, just beneath a leaf joint.

把茎切整齐点，正好切在叶根下。

Capsule without apiculus; leaf blade apex rounded, margin small crenate.

没有细尖的蒴果；先端圆形的叶片，小具圆齿的边缘。

Unlike a leaf, a cladode has buds on its surface.

但节与节间明显，节上能分枝，生叶和开花。

This sudden warmth is bringing all the trees into leaf.

天气突然变暖, 所有的树都长出了叶子。

Before I went into the exam room I was shaking like a leaf.

进考场前我紧张得直哆嗦。

The insect settled on a leaf.

一只昆虫落在一片树叶上。

The russet woods stood ripe to be stript, but ware yet full of leaf.

黄褐色的树木虽已熟的可以折枝剥皮，却仍然枝繁叶茂。

Leaf blade leathery; pistillode conic to cylindric; drupes indehiscent, enclosed by persistent calyx lobes.

叶片卵形到近圆形，先端钝，短渐尖，或骤尖；瘦果宽卵形或近球形，略带紫色的点或瘤状。

The larva had the habit of multitudinous pupating on the reverse of the leaf.

幼虫有群集化蛹的习性，多化蛹于叶背处。

Not a leaf moved.

树叶一动也不动。

He leafed through the music.

他一张张地翻乐谱。

The boron deficiency plant appears inter-venial chlorosis, thickening, crisping leaves and increased leaf weight ratio (LWR).

缺硼使叶重比(LWR)提高和叶片脉间失绿、变厚、变脆。