I 1

英语字母表的第9个字母 （亦作 i）

罗马数字 1

I 2

我

I 3

〈化〉碘 (iodine)

I 4

岛，岛屿 (Island)

岛，小岛 (isle)

I

我

字母I, [化]碘元素, 罗马数字1

I

1. a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)

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2. the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one"

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3. the 9th letter of the Roman alphabet

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