34岁用英语翻译应该是:34 years old。years old释义:……岁(年龄)例句1. He was 14 years old when it happened.这件事情发生的时候,他14岁。2. The most ancient parts of the continental crust are 4000 million years old.该大陆地壳最古老的那些部分有40亿年了。3. Fossil hunters have unearthed the bones of an elephant believed to be 500,000 years old.化石寻找者们挖掘出了一头被认为有50万年之久的大象遗骨。4. Now, my son is eight years old and my daughter is five years old.现在我儿子八岁,女儿五岁了。5. Jenny is seventeen years old.珍妮17岁。