叶脉

A rib or a riblike part,such as the midrib of a leaf or a thicken ed anterior vein or margin of an insect's wing.

肋骨，叶脉肋骨或肋骨状部分，例如叶子的中脉或昆虫翼的较厚的前部线或边

A rib or a riblike part, such as the midrib of a leaf or a thickened ''.'anterior'.

肋骨，叶脉肋骨或肋骨状部分，例如叶子的中脉或昆虫''。

Based on these characteristics observed, species in Pteridaceae tended to accumulate and deposit silica in long cells in lower epidermis and forming spicular cells. This might helps them to enhance the supporting function of their lateral veins.

综合以上特徵推测，凤尾蕨科倾向将二氧化矽堆积於叶下表皮与叶脉平行之表皮细胞上，并形成矽异形细胞，该特徵可能与加强叶片的支持力有关。

Leaves simple, alternate, opposite, or verticillate, not stipulate, or sometimes with stipular glands at base of petiole, petiolate or sessile, pinnately veined, margin serrate to nearly entire, teeth often glandular-mucronate.

单叶，互生，对生，或者轮生，不具托叶，或者有时在叶柄基部有托叶状腺体，有叶柄或无叶柄，羽状叶脉，边缘有锯齿至近全缘，锯齿通常有腺状短尖。

Such plants usually have one or more domatia, cavities in stems, leaves or roods that house ants. These may be elaborate systems of cavities with many chambers, e.g. Myrmecodia, or simple hollows in internodes, leaf veins, petioles or stipular spines, e.g. whistling thorns.

这类植物通常都具有一个或多个虫菌穴，虫菌穴是在植株的根、茎、叶上用来容纳蚂蚁的空腔，这些空腔具有许多发达的小室，例如茜草科具有简单而中空的结间部，阿拉比卡咖啡具有含有空腔的叶脉，有的植物叶柄及托叶处也有这样的结构，例如牛角刺槐。

Fruiting pedicels erect or ascending; ultimate leaf veins not ending in apiculate callosities; fruit lanceolate, ovoid, or oblong, not torulose, often subappressed to rachis, slightly 4-angled

果梗直立或上升；末级的叶脉不结果是具细尖的胼胝体；披针形，卵球形，或长圆形，不近念珠状的果，通常近贴伏于轴，四棱形的稍 4 E。

Leaf veins slightly raised abaxially, not very conspicuous; flowers subsessile; fruit large, ca.

叶脉稍突起背面，不非常明显；花近无柄；大的果，约2厘米；种子乳白色。

Fruiting pedicels divaricate or reflexed; ultimate leaf veins ending in apiculate callosities; fruit usually linear, torulose, not appressed to rachis, terete.

果梗极叉开的或反折；末级的叶脉结果是具细尖的胼胝体；果通常线形，近念珠状，并非贴伏于轴，圆柱状。

Leonardi ants studied in Thailand's Khao Chong Wildlife Sanctuary had chomped down on the underside of a leaf, and 98 percent had landed on a vein.

leonardi 蚂蚁都紧紧的叮在一个叶子的下边，98%的蚂蚁处于叶脉处。

He sent it to the lawyers, they hemmed and hawed, and he lost his moorings.

这种连小孩都不会犯的错竟然会发生在世行行的右角，雨水先落在窗前铁栏杆再顺着花草的叶脉滴到盆子的土壤里。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。