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- self maintaining nuclear chain reaction 自持链核式反应
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- I my self is going to make a sandwich. 我要亲手做个三明治。
- He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
- Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
- He's not looking like his old self lately. 他最近看起来不像以前那样。
- He is my best friend, my second self, as it were. 他是我最好的朋友，或者说，是第二个我。
- We must maintain a firm attitude. 我们必须采取坚定的态度。
- He never has any thought of self. 他从不考虑个人得失。
- The maintaining of one vice costs more than ten virtues. 保持一桩恶事的代价超过于十件好事。
- He is now out of all conceit with his former self. 他现在全盘否定了他原来的自己。
- How many military bases are they maintaining on foreign soil? 他们在外国保持多少个军事基地？
- He is too poor to maintain his family. 他太穷了，无法养活家人。
- We all have an interest in maintaining the integrity of the ecosystem. 维持生态系统的完整是我们共同的利益。
- A substance believed to maintain life indefinitely. 长生不老药被认为可以使生命无限的物质
- Water is the core of a healthy ecosystem. 水是维持生态系统良性循环的根本。
- The plan is merely designed to maintain their nuclear superiority. 制定这个计划只是为了保持他们的核优势。
- The factory cannot maintain current levels of production. 该工厂不能保持目前的生产水平。
- They expended large sums of money in maintaining this beach. 他们花去大笔的钱维护这个海滩。
- Does potting plants means treasuring ecosystem? 家养花草就是爱护生态吗?
