| 词汇学习 |
[瘾,依赖] the compulsive physiological and psychological need for a substance; being abnormally dependent on something | |
[改变] make fit for; change to suit a new purpose | |
[坚硬,不动摇] extremely hard; inflexible; stubbornly unyielding | |
[发表(演讲),处理,讨论] make a formal speech to; deal with or discuss; direct efforts or attention of |