济南李大妈
duty作为“职责”和“税”意思时是可数名词。
英文注释为：
责任：Your duties are tasks which you have to do because they are part of your job
税： Duties are taxes which you pay to the government on goods that you buy.
例句：
duty作为“工作”和“责任”意思时为不可数名词。
英文注释为：
工作：Duty is work that you have to do for your job.
责任： If you say that something is your duty, you believe that you ought to do it because it is your responsibility.
例句：
思得不瑞奥
job可数。例如，a good job，一份好职业。Once I'm in America I can get a job.我一到美国就能找到工作。
job是可数名词
job与work这两个单词都是指工作，但job是可数名词，work是不可数名词
1、job意为“工作，零工”，为可数名词，a good job 一份好职业
2、work意为“工作”，为不可数名词，a piece of work 一份工作
3、work有动词词性，而job只能作名词
4、作为名词，job更侧重种类，而work侧重于量
job基本含义
n.工作;职业;职位;(一项)任务;(一件)工作，活儿，事情;责任;职责
vi.承包;代客买卖做零工;作包工;打杂
第三人称单数：jobs
复数：jobs
现在分词：jobbing
过去式：jobbed
过去分词：jobbed
小豌豆尔
分两种情况：1 不可数：[U] (for sb/sth) being responsible or accountable责任; 负责:a position of real,great,major,etc responsibility负实际的、 很大的、 主要的...责任的职务 * have,showa sense of responsibility 有、 显示出责任感 * take,assume,accept,bear full responsibility for the consequences 对后果承担全部责任 * The manufacturers disclaim all responsibility for damage caused by misuse.使用不当而造成的损坏,生产厂家不负任何责任.2 可数：[C] (to sb) commitment or duty for which a person is responsible职责; 任务; 义务:Our business is a joint/shared responsibility.我们的公司实行共同责任制.* It's my responsibility to lock the doors.我负责锁门.* the various responsibilities of the post 这一职位的多种责任.
