leaf 高考四级六级考研

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

图2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蚁正在啃切一片树。

The trees leaf out in the spring.

树在春季长。

I dudder and shake like an aspen leaf.

我发哆嗦和颤抖就像是一片摇晃的树。

Leaf base often narrowed into a petiole, spurless.

基部通常缩小成为柄，无距。

Cut the stem cleanly, just beneath a leaf joint.

把茎切整齐点，正好切在根下。

He saw a shiny green beetle on a leaf.

我看见树上有一只闪闪发光的绿色甲虫。

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

没有细尖的蒴果；先端圆形的片，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。

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上。

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，却仍然枝繁茂。

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

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。

Not a leaf moved.

树一动也不动。

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).

缺硼使重比(LWR)提高和片脉间失绿、变厚、变脆。

ObjectiveTo study the hypoglycemic effect of extracts respectively from Leucaena root, trunk, leaf, seed and beanpod.

目的研究银合欢根、干、、及豆荚的降血糖作用。