例句：
I have not spoken since I was six years old.
我從六歲起就不再說話了。
Six years old: My dad is smarter than your dad.
當(dāng)我六歲的時(shí)候：我爸爸比你爸爸聰明。
I learn to ride bikes when I was six years old.
在我六歲的時(shí)候我就開始學(xué)習(xí)騎自行車。
The first time I saw the sea in my six years old.
第一次看見大海，是在我六歲那年。
Most children do until they're five or six years old.
很多孩子都會(huì)這樣知道他們是5歲或者六歲。