下面这一句是什么意思.Four years ago he was 21 years old.That was when Zhao Jing,his younger sister,died from a big fire.

four是什么意思 four是什么意思 four是什么意思 four是什么意思 four是什么意思 four-year-old和four year old有什么不同 Four seasons in a year. only four year old意思 year是什么意思 there are four seasons in a year.用four提问 there are four season in the year. four画线提问 four-year 和four years有什么区别? 下面这一句是什么意思.Four years ago he was 21 years old.That was when Zhao Jing,his younger sister,died from a big fire. There are four s______ in a year. There are four s() in a year they have ball games four-------a year. the four seasons是什么意思? the four seasons是什么意思