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- The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心。
- You operate the mechanism by winding this handle. 操纵这台机器要转动这个把手。
- The protoplasm outside the nucleus of a cell. 细胞质，细胞浆细胞分子外部的细胞质
- The watch has delicate mechanism. 这块表有精细的机械装置。
- Let's examine into the basic mechanism involved. 让我们把有关的基本结构搞搞清楚。
- 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。
- A part of a mechanism that moves in this manner. 横移物以这种方式移动的一个机械零件
- There's no mechanism for changing the decision. 没有办法改变这一决定。
- An airplane engine is a complex mechanism. 飞机引擎是种复杂的机械装置。
- 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。
- A device or mechanism that grinds grain. 磨臼，磨粉机磨谷物的装置或机械
- A tripping or triggering device on a mechanism. 倾卸装置、钩杆机械装置上断开或启动的装置
- 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
- A similar device used to release or activate a mechanism. 起动装置，扳柄类似扳机的装置。用来使机械装置运作
- The soldier told us where the firing mechanism of a rifle is. 那个士兵告诉我们哪儿是步枪的击发装置。
- 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
- 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 most important part of the cell is the nucleus. 细胞中最重要的部分是细胞核。
