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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 coach substituted Smith for Jones. 教练让史密斯上场，换下了琼斯。
- Tom substituted for the injured player. 汤姆替换了那个受伤的运动员。
- 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 understudy was substituted when the leading actor fell ill. 主角演员患病，由替角代替演出。
- nucleus substituted [化] 环上取代的
- 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。
- A striker was substituted for a midfield player in the last half-hour of play. 在比赛的最后30分钟里，一个中场运动员被一个强攻手替换了下去。
- We substituted a red ball for blue to see if the baby would notice. 我们用红皮球换下了蓝皮球，看这婴儿会不会发觉。
- Home-made parts are being substituted for imported ones. 国产零件取代进口零件。
- 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。
- She substituted margarine for butter. 她用人造的奶油代替黄油。
- 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
- He substituted as the typist in the office. 他代替做这个办公室的打字员。
- The colorless, liquid component of the cell nucleus. 细胞核液细胞核中无色的液体成分
- We had to eat some potatoes substituted as a meal. 我们只得吃了几个马铃薯充饥。
- He substituted for the typist during her absence. 打字员不在时由他代替。
- 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
- He substituted cunning for their simplicity. 他以奸滑代替了他们的直率。
- An atom contains a tiny heavy nucleus. 一个原子含有一个微小而重的核。
