v.使有脉络;使有纹理;象脉络般分布于
网络静脉;矿脉;面纱;叶脉
1.a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood
2.a distinctive style or manner;
he continued in this vein for several minutes
3.any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ
4.a layer of ore between layers of rock
5.one of the horny ribs that stiffen and support the wing of an insect
1.make a veinlike pattern
1.静脉
1.静脉
1.矿脉
1.静脉
1.静脉:各器官各部位的血液流回心脏的管道。除肺静脉外,所有静脉运送低氧血。和动脉一样,静脉壁也分内、中、外三层,但不如动脉厚,切断后即萎陷。许多静脉均有内膜生成的瓣膜,防止血液倒流(另见vena条)
2. 静脉三层:A.内膜
3.B.中膜
4.C.外膜
1.叶脉
1.翅脉
2. 翅脈
1.叶脉
2. 又称 :叶脉(nerve )
1.静脉
2. 又称 :静脉(Vena(拉))
1 . 静脉
...相同而意义毫不相同的词称为同形异义词(homonym),如,light(光)light(轻的),bark(吠)bark(树皮),flower(花)flour(面粉),vain(徒劳的)vein(静脉)vane(风向标),tear(眼泪)tear(撕),lead(率领)lead(铅)等,同形异义词是纯粹根据发音或拼写相同而联系在一起的词族,在现代英语中,同形异义词极其丰富,同时也比.
2 . 矿脉
vegetative propagation 营养繁殖vein矿脉361
3 . 面纱
vain 无用的,虚荣的vein面纱; 掩饰bound n. 范围 v.
4 . 叶脉
...、石松(Lycopodium)等的叶,它没有叶隙(leafgap)和叶柄(stipe),只具 1 个单一不分枝的叶脉(vein)。 大型叶有叶柄,维管束有或无叶隙,叶脉多分枝。
1 . 门静脉和脾静脉
the diameters of hepatic veins and splenic veins were measured by B mode ultrasound in 186 patients with liver cirrhosis .本文采用B型超声诊断仪探测了186例肝炎后肝硬化患者肝门静脉和脾静脉直径。
1 . 静脉剪
vein retractor 静脉牵开器vein scissors 静脉剪vein-seeker 静脉探索器
1 . 门静脉
portal system 门脉循环portal vein 门静脉portion 一部分
1 . 深静脉
deep sensibility 深部感觉deep vein 深静脉deer mouse 鹿鼠;鹿白足鼠