您要查找的是不是：
- The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心。
- The seasons follow each other in rotation. 四季循环交替。
- The protoplasm outside the nucleus of a cell. 细胞质，细胞浆细胞分子外部的细胞质
- A rotation of personnel; crop rotation. 员工的轮流替换; 农作物的轮作
- Nucleus rotation 核旋转
- 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。
- These 1000 books will form the nucleus of the new school library. 这一千本书将构成学校新图书馆藏书的基础。
- The atomic center is the nucleus, and the electronics winds revolve it. 原子的中央是原子核，电子绕着它旋转。
- 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。
- A proton or a neutron, especially as part of an atomic nucleus. 核子质子或中心，尤指作为原子核的一个组成部分
- The colorless, liquid component of the cell nucleus. 细胞核液细胞核中无色的液体成分
- An erotic rotation of the pelvis. 淫荡地晃动卖弄色相地扭动臂部的动作
- A counterweight balances the rotation. 有一个砝码平衡回转。
- Existing or acting outside the nucleus of an atom. 原子核外的出现或行动于原子核外的
- Old)Rotation is due to shoulder roll. 老:转动是由于肩的转动使然.
- An atom contains a tiny heavy nucleus. 一个原子含有一个微小而重的核。
- A nucleus can have only one Y-chromosome. 一个核可以仅有一个Y染色体。
- The rotation in the elliptic is retrograde. 在椭圆内的运动属于逆进型。
- Is the Rotation the Best Home for Chamberlain? 让张伯伦担任先发投手是最好的安排吗?
