❶（人間・動物・物の）年齢ねんれい, 年とし
old age
old age
老齢ろうれい, 老年
the age of this tree
the age of this tree
この木の樹齢じゅれい
at the age of fifteen
at the age of fifteen
15歳さいで[の時に]
children of all ages
children of all ages
いろいろな年齢の子供たち
Turtles live to a great age.
Turtles live to a great age.
ウミガメは高齢こうれいまで生きる[とても長生きする].
She is just my age.
She is just my age.
彼女は僕ぼくとちょうど同い年だ.
We are the same age.
We are the same age.
私たちは同い年です.
He has a son your age.
He has a son your age.
彼には君と同じ（ぐらいの）年の息子むすこがいる.
He looks young for his age.
He looks young for his age.
彼は年のわりには若く見える.
He is fifteen years of age.
He is fifteen years of age.
彼は15歳です.
⦣ He is fifteen years old.のほうがふつう.
