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- Polar nuclei The, usually two, haploid nuclei found midway along the EMBRYOSAC, forming a binucleate central cell.They may fuse to form the diploid definitive nucleus. 极核：通常指两个位于胚囊中间的单倍体核，他们可能融合形成一个二核的中央细胞。
- Platelet is a minute, irregularly shaped, disklike cytoplasmic body found in blood plasma that promotes blood clotting and has no definite nucleus, no DNA, and no hemoglobin. 白细胞分多种，如嗜中性粒细胞、淋巴细胞、嗜酸性细胞、单核细胞和嗜碱粒细胞等。
- Platelets.Platelet is a minute, irregularly shaped, disklike cytoplasmic body found in blood plasma that promotes blood clotting and has no definite nucleus, no DNA, and no hemoglobin. 血小板：血小板为血浆中一小形、不规则形、盘状细胞质，可促进血液凝固，无细胞核，无DNA，也不含血红素。
- She's written the definitive history of Vienna. 她写下了权威性的维也纳历史。
- The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心。
- The protoplasm outside the nucleus of a cell. 细胞质，细胞浆细胞分子外部的细胞质
- 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。
- definitive nucleus 胚乳原核
- 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。
- The Eleventh Edition is the definitive edition. 第十一版是最后定稿本。
- 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
- Her book is the definitive work on Milton. 她的书是论述米尔顿的权威著作.
- Second, the Suns play a very definitive style. 第二，太阳有一个很确定的打法风格。
- The colorless, liquid component of the cell nucleus. 细胞核液细胞核中无色的液体成分
- There is no definitive answer to this. 没有什么确定的答案。
- A definitive or characteristic feature. 特征特点或特征
- A work recognized as definitive in its field. 经典著作在某领域内最有权威的著作
- 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。
- Please give me a definitive answer. 请给我最后正式答复。
