4.cells which can form pigment migrate beneath the skin.
能形成色素的细胞在皮下动。
5.Some birds migrate to find warmer weather.
有些鸟迁徙以寻找更温暖的气候。
6.the geographic route along which birds customarily migrate.
候鸟迁徙所经的路径
7.Herdsmen used migrate with their cattle and sheep in search of fresh grass.
从前牧民们为了寻找新鲜的草原赶着牛羊一起迁。
8.Great herds of buffalo migrated across the plains.
大群野牛迁徙过平原。
9.These birds migrate northwards in spring and southwards in fall.
这些鸟春天向北迁徙, 秋天向南迁徙。
10.Pioneers from New England migrated to all parts of the United States.
来自新英格兰的拓荒者到美国。
11.Using anatomical method, the gonadal development in postembryonic period of Rana chensinensis, which had been migrated from Northeast China, is studied.
要采用解剖学方法，对南后的中国林蛙胚胎后期性腺发育进行了观察。
12.Strong expression is first observed in prechordal plate at the stage of 50% epiboly, l the stained cells then migrate to the proctodeum.
整胚原位杂交结果显示该基因最早主要在50%外包期的前脊索盘中表达，既迁到原肛处。
13.Space for restorations was created by intruding and uprighting the worn and migrated teeth and developing the correct incisal angle (Figure 8).
修复的空间被通过压低前牙和直立磨耗的和位的牙齿获得。并且形成了正确的切角。
14.Qijia-Gulong depression is master source area of oil and gas in Songliao Basin, a part of oil and gas from the source is held up in the depression, the other migrates to west clinoform zone.
15.scleroblast Osteoblast, a cell which deposits calcium salts and forms bone, the precursor cell of an osteocyte. Osteoblasts migrate to centres of bone formation during early development.
出，长期定
在外。
去找工作。
动；随季节
。
要采用解剖学方法，对南
