gradual副詞為什麼雙寫l再加y

不是雙寫l再加y，而是直接在其後加ly，這是形容詞變副詞的規律。gradually

Controls in the city have graduallytightened.對這個城市的控制逐漸加強。

Gradually the surrounding farmland turned residential.周圍的農田漸漸變成了住宅區。

The sea is gradually encroaching on the land.海水漸漸地侵蝕了陸地。

His interest in this subject graduallydecreases.他對這門學科的興趣逐漸減退。

Her long illness gradually sapped her strength.長期的患病使她的體力漸漸衰竭。

By small degrees or increments gradually.逐漸地慢慢地或逐漸增長地 漸漸地

Little by little gradually.一點一點地 逐漸地