山路的弯道在英语中可以称为 "mountain road bend" 或者 "mountain bend".

来源："mountain" 在英语中表示 "山"，"road" 表示 "道路"，"bend" 表示 "弯道"。

英文例句：

"We took a sharp turn on the mountain road, and suddenly the scenery was breathtaking." (我们在山路上急转弯，突然风景变得令人惊叹。)
"The mountain road bend was so tight that we had to slow down to make the turn." (山路的弯道太窄了，我们不得不放慢速度才能转弯。)