valuable前面加a还是an,valuable的词性变化形式有哪些

valuable前面加a还是an,valuable的词性变化形式有哪些

He gave us a valuable insight into the problems of education.他在教育问题上给我们提供了宝贵的见解。This experience is valuable to me.这一经历对我很a. 与of 短语连用，表示概数，不能与具体数目连用，如scores of people 指许多人；b. 在一些表示"一排"或"一组"的词组里；如：They arrived in twos and threes

invaluable前面加a还是an

字母a前面要加an吗？ 字母面前用a还是an,根据字母的音标发音决定。举例说明如下：例如f,f不是元音字母，可得f的发音是：ef]。是以元音开头的，所以要用an。前面加an,常见的单In the US, particularly, this youth market of 8-to-14-year-olds was viewed as a valuable commercial prize, market analysts Youth Market Alert estima

valuable前面用a还是an

＞▽＜ 接a 原因：接a还是an,看后面的单词第一个音标是辅音还是元音.useful的音标为[`ju:sful],所以接a.谷歌的产品经理丹•西罗克是奥巴马竞选团队“新媒体分析”部门的负责人。他用A/B测试优化了竞选网站的

available前面加什么

补充听的时候没有时间写的细节，这也需要一两分钟时间。valuable前面用不定冠词a修饰。在以辅音开始发音的单词前用a，在以元音开始发音的单词前用an。valuable是以辅音开始

valuable用法搭配

↓。υ。↓ 10. valuable 10. But today, in a world full of easily obtained telephone numbers, an unlisted phone number is more valuable to the unlisted and to the phone compa26.Television is more than just an electronics; it is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching oth