"the dorsal fin is the vertical fin on the back of a fish and certain marine mammals"
"the abaxial surface of a leaf is the underside or side facing away from the stem"
1.(鱼或动物的)背部的,背上的,背侧的
dorsal means relating to the back of a fish or animal.
e.g. ...a dolphin'sdorsal fin.
海豚的背鳍
1. 背侧:几年前就有研究显示眼碟的背侧(dorsal)与腹侧(ventral)交会的边界(背腹中线)很重要,这两群细胞的接触,使得背腹中线的Notch蛋白被激活,促进眼碟的细胞分裂.
2. 背侧的:dormitive 安眠的 |dorsal 背侧的 |dorsal chord 脊索
3. 背面的:dorr thickener 道尔型浓缩机 |dorsal 背面的 |dorsal fin 背
4. 背的:dorsal fin 背鳍 |dorsal 背的 | Dorsetshire 多塞特郡
5. dorsal
5.dorsal:dors.; 背部的
The dorsal and anal fins.
出自:T. PennantA dorsal ridge of slate-coloured rock.
出自:QuillerMidwives sometimes prefer to have women in a dorsal or modified lithotomy position for examination.
出自:S. Kitzinger