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- These men are the backbone of the country. 这些人是国家的中坚力量。
- covalent backbone 共价主链
- Standing up to bullies takes plenty of backbone. 勇敢地对付暴徒需有大无畏精神。
- The backbone is an articulate structure. 脊椎骨是一种关节相连的结构。
- Agriculture used to be the economic backbone of this country. 农业曾是这个国家的经济支柱。
- In covalent bonding, atoms share electrons. 在共价键联中，原子共有电子。
- Have you the backbone to overcome the hard luck? 你有没有勇气战胜厄运?
- He is an Irishman to the backbone. 他是个十足的爱尔兰人。
- Sharing of electrons and form a strong covalent. 彼此分享各自的电子而形成了坚固的共价键
- After all, we're the backbone of the country. 我们毕竟是国家的栋梁。
- His sister had the backbone to stand up to him. 他姐姐有勇气和他对着干。
- The sweat started out on Winston's backbone. 温斯顿的脊梁上开始渗出冷汗。
- The sweat broke out on his backbone. 背上出了一身冷汗。
- Chemical and Infrared analysis of purified samples shown that about 10% of total DBM was grafted onto LDPE backbone chain with covalent bond. 产品经二甲苯溶解，丙酮沉淀纯化数次后，由化学分析和红外鉴定表明，在挤出反应中确有40%25以上的DBM单体接枝到聚乙烯链上，接枝率可达到0．3DBM／100E。
- They are the backbone of the factory. 他们是这个厂的顶梁柱。
- Having a backbone or spinal column. 有脊椎的有脊骨或者脊骨结构的
- The linchpin of the strategies relies on the immobilization of the ligand onto a functionalized polymer backbone through covalent binding. 负载催化的关键是通过共价键将配体连接到载体的骨架上用于催化反应。
- The Chinese people have backbone. 中国人民有骨气。
- He doesn't have the backbone to face the truth. 他没有面对现实的勇气。
- Lacking a backbone or spinal column;not vertebrate. 无脊椎的缺少脊骨或脊柱的；无脊椎的
