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- The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心。
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- The protoplasm outside the nucleus of a cell. 细胞质，细胞浆细胞分子外部的细胞质
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- 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。
- Roller nucleus 罗勒核
- 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 steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- 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
- They used a steam roller to iron out the road. 他们用蒸汽压路机压平了路面。
- The road roller evens out the ground. 压路机把地面压平。
- The colorless, liquid component of the cell nucleus. 细胞核液细胞核中无色的液体成分
- You may apply it with brush or roller. 你可以使用毛刷或辊子进行涂抹。
- 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。
- I want to ride on the roller coaster. 我想坐过山车。
- The most important part of the cell is the nucleus. 细胞中最重要的部分是细胞核。
