您要查找的是不是：
- non self maintained discharge 非自持放电
- self maintained discharge 自持放电
- self maintaining discharge 自持放电
- non - self - maintained discharge 非自持放电
- They all maintained a reverent silence. 他们都保持肃静。
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- He maintained close ties with the masses. 他和群众保持着密切的联系。
- How long will the discharge of the cargo take? 卸货需要多久？
- self maintaining nuclear chain reaction 自持链核式反应
- The car has to be constantly maintained. 汽车必须经常保养。
- 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。
- The simultaneous discharge of these guns. 舷炮齐射这些枪炮的同时开火
- He maintained his dignity throughout the trial. 在整个审讯过程中他始终不失尊严。
- They maintained only formal unity among themselves. 他们只在表面上保持一致。
- He's not looking like his old self lately. 他最近看起来不像以前那样。
- They maintained that ghosts had no substance. 他们认为鬼魂不是实物。
- She is competent in the discharge of her duties. 她善於履行职责。
- 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。
