（時間・距離が）長い; ～の長さがある
a long tunnel
♔基本a long tunnel
長いトンネル
⦣ long＋名詞.
long hair [legs]
long hair [legs]
長い髪かみ[足]
the long jump
the long jump
（走り）幅はばとび
a long vacation
a long vacation
長い休暇きゅうか
(for) a long time
(for) a long time
長い間
This tunnel is very long.
♔基本This tunnel is very long.
このトンネルはとても長い.
⦣ be動詞＋long.
The days are long in summer, but are short in winter.
反対語The days are long in summer, but are short in winter.
夏は日が長いが冬は短い.
My house is a long way from here.
My house is a long way from here.
Take a bus—it's a long way to town.
Take a bus—it's a long way to town.
バスに乗りなさい—町までは遠いですよ.
⦣ it は漠然ばくぜんと「距離」を表す.
＊会話＊
How long is the river?—It is a hundred miles long.
その川はどのくらい長いですか—その川は長さ100マイルです.
⦣ a hundred miles （100マイル）は long を修飾しゅうしょくする副詞句.
I waited for two long hours.
I waited for two long hours.
（2時間もの長い時間）なんと私は延々2時間も待った.
I won't be long.
I won't be long.
私は長くはかからない（すぐ帰って来る）.
It's been long since I saw you (last).
It's been long since I saw you (last).
（私が君に最後に会ってからずいぶんたつ）久しぶりですね.
⦣ It は漠然と「時間」を表す.
It was a long time before he came.
It was a long time before he came.
（彼が来る前が長かった）彼はなかなか来なかった.
It was not long before he came.
It was not long before he came.
（彼が来る前は長くなかった）まもなく彼は来た.
This rope is longer than that (one).
This rope is longer than that (one).
このロープのほうがそれより長い.
The days are getting longer and longer.
The days are getting longer and longer.
日がだんだん長くなっている.
✓POINT
比較ひかく級＋and＋比較級は「だんだん～, ますます～」.
The Nile is the longest river in the world.
The Nile is the longest river in the world.
ナイルは世界最長の川である.
