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- The seasons follow each other in rotation. 四季循环交替。
- External fetal rotation 胎儿外转
- Fetal rotation 胎儿旋转
- Internal fetal rotation 胎儿内转
- A rotation of personnel; crop rotation. 员工的轮流替换; 农作物的轮作
- The rotation of crops keeps the soil healthy and fertile. 谷物轮种使土壤保持了肥力和高质。
- The sun appears to rise and set because of the earth's rotation. 因为地球在自转,看上去就有了日出和日落。
- The chairmanship of the committee changes in rotation. 委员会主席一职是轮流担任的。
- "Fetal heartbeats are like that, "she replied. "胎儿的心跳都是这样。"她答道。
- Now many scientists are studying fetal development. 目前许多科学家正在研究胎儿的发育。
- Fetal monitoring has long been controversial. 胎儿监护长期以来一直备受争议。
- An erotic rotation of the pelvis. 淫荡地晃动卖弄色相地扭动臂部的动作
- Fetal skin cells help heal burn wounds in. 胎儿皮肤细胞帮助治疗烧伤伤口。
- Anencephaly is absence of the fetal cranial vault. 无脑儿是胎儿颅穹窿缺陷。
- A counterweight balances the rotation. 有一个砝码平衡回转。
- Why the recent interest in fetal sentience? 为什么最近的很多研究集中于胎儿感觉?
- Cases of fetal death have also been reported. 有关胎儿死亡的案例已经报道过。
- Old)Rotation is due to shoulder roll. 老:转动是由于肩的转动使然.
- Head of fetal bone still made of hyaline cartilage. 染色方法同前。胎儿骨的一端，可见仍为通明软骨组成。
- The rotation in the elliptic is retrograde. 在椭圆内的运动属于逆进型。
