cast on

cast on的音标是[kɑːstən]，基本翻译是“投射；抛下；投射到；投射到…上；使承担；使负；开始从事”。速记技巧是利用谐音速记法，可以将cast on快速记作“卡死它，能上”。这种方法可以帮助我们快速记忆单词，增强记忆效果。

cast on的英文词源为：

1. 动词词根“cast”表示“投掷”

2. 词缀“on”表示“在…上”

变化形式为：过去式casted，现在分词casting，过去分词casted。

相关单词：cast off（抛弃），cast aside（抛弃），castigate（惩罚），caste（社会阶层），casteism（种姓制度），caste-casteism（因社会地位而异）。

cast on在英语中常用于表示“把…投掷到…上”，引申为抛弃、惩罚等含义。这个词源体现了英语词汇的丰富性和灵活性，也反映了英语的历史演变和多元文化背景。

常用短语：

1. cast off (someone/something) 抛弃

2. cast light on (something) 使清楚

3. cast doubt on (something) 使怀疑

4. cast in the role of 担任…角色

5. cast a glance at 向…扫视一眼

6. cast a shadow on (something) 给…投下阴影

7. cast one"s vote 投票

双语例句：

1. I was finally able to cast off my shyness and speak to the strangers. (我终于能够抛开羞涩，与陌生人交谈了。)

2. The news cast a shadow on the happy day. (这个消息给这个快乐的日子投下了阴影。)

3. She cast in her role as a mother and comforted her child after the accident. (她承担起母亲的角色，在事故发生后安慰孩子。)

4. He cast a glance at the beautiful girl and couldn"t help but admire her. (他向那个漂亮的女孩瞥了一眼，忍不住赞叹。)

5. Casting my vote, I hoped it would make a difference in the future of our country. (投票时，我希望我的投票能为国家的未来带来改变。)

6. We must cast doubt on any claims that are not backed by evidence. (我们必须对任何没有证据支持的声明表示怀疑。)

7. Casting my vote, I realized that it was my responsibility to make a difference in the world. (投票后，我意识到为世界带来改变是我的责任。)

英文小作文：

I cast my vote today and felt a sense of responsibility and hopefulness. As I walked away from the polling station, I realized that my vote could make a difference in the future of our country and that every citizen has a role to play in shaping it. With every vote, we send a message that we believe in our democracy and that we are willing to work together to make it better. Whether it"s casting a vote for local elections or casting a vote for national issues, every vote counts and every citizen has a voice. Let"s use it wisely and make a difference in the world around us.