leaf 四级高考考研

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

图2叶出生(A)和死亡(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。

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。

Cut the stem cleanly, just beneath a leaf joint.

把茎切整，好切在叶根下。

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。

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。

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。

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。

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。

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。

Lethal dwarfism syndromes are associated with brachycephaly or clover-leaf skull deformity rather than dolichocephaly.

致死性侏儒与短头畸形、三叶草头有关，而不是长头。

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。

This is a widespread species variable in the shape, size, and marginal dentation of the leaf blades.

这是一在形状，尺寸和叶片的边缘的牙齿里易变的广布的种。