我今年12岁了的英语：I am 12 years old；
years
n. [天] 年；年龄；岁月；年
例句：
She was hired three years ago.
她是三年前录用的。
I believed his lies for years.
我很多年都对他的谎话信以为真。
Their love grew with the years.
他们的爱逐年加深。
She was undefeated for 13 years.
她曾十三年未被战胜过。
She has taught for 34 years.
她教书已有34年。
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