您要查找的是不是：
- External fetal rotation 胎儿外转
- B. External fetal monitoring. The FHR is measured by focusing an ultrasound beam on the fetal heart. The fetal monitor interprets Doppler signals. 外监护。通过集中超声波束于胎儿心脏来描记胎心率，胎儿监护翻译多普勒信号。
- He is just listening in external of that room. 他正在那房间的外面留神听着。
- The seasons follow each other in rotation. 四季循环交替。
- This news program only covers external events. 这一新闻节目只报道国外消息。
- She sets great store by external politeness. 她很注重表面的虚礼。
- Fetal rotation 胎儿旋转
- A rotation of personnel; crop rotation. 员工的轮流替换; 农作物的轮作
- Internal fetal rotation 胎儿内转
- 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。
- Deformity of fetal external ear can be diagnosed by ultrasonography. 超声显像对胎儿外耳发育状态的检测，能够产前诊断胎儿外耳发育畸形。
- 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。
- Our external trade has expanded during recent years. 我国的对外贸易近几年来有所发展。
- "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。
- He judge people by mere external clothes rather than internal character. 他判断人只靠着外表的衣服而不是内在的品格。
- Fetal monitoring has long been controversial. 胎儿监护长期以来一直备受争议。
- The metal or plastic external structure of a motor vehicle. 车身机动车的金属和塑料的外部结构
- An erotic rotation of the pelvis. 淫荡地晃动卖弄色相地扭动臂部的动作
