Grammar Note
表示数字8这个符号或数值时，通常用单数并可与冠词连用，如 an eight；复数 eights 指多个8或八人赛艇。
八；数字8
先理解核心含义，再看它在真实句子里的用法。
八；数字8
the number 8; the digit 8
The number eight is my lucky number.
数字八是我的幸运数字。
数字8
The digit/figure 8.
七加一所得的基数
the cardinal number that is the sum of seven and one
一副普通牌中值为八的四张牌之一
Any of the four cards in a normal deck with the value eight.
1907 年成立的美国画家团体,以真实描绘城市生活的阴暗面著称
a group of United States painters founded in 1907 and noted for their realistic depictions of sordid aspects of city life
Please write an eight at the top of your paper.
请在纸的顶部写一个8。
He counted to eight and then raised his hand.
他数到八，然后举起了手。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use eight naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
表示数字8这个符号或数值时，通常用单数并可与冠词连用，如 an eight；复数 eights 指多个8或八人赛艇。
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.