You do not need to have any bike riding experience.

不需要具备骑行经验。

The weather was so nice. We went for a bike riding in the park.

天气真好，我们去公园骑自行车。

STEP 5 Emphasize cardio workouts with exercises like bike riding and walking to burn excess calories.

加强有氧运动，比如骑自行车和步行，燃烧多余的热量。

I always play tennis or golfones weekends, and I usually go bike riding every Sunday, if the weather is good.

我总是在周末打网球或高尔夫球 如果天气好 我通常每个星期天去骑自行车。

What about cooking, movies, music, meme-making, bike riding, gardening, whatever it is, there are forums, discussion groups that you can join.

烹饪、电影、音乐、制作备忘录、骑自行车、园艺，不管是什么，都有你可以加入的论坛和讨论组。

You know, we went— —for example—Michelle and I went bike riding yesterday, which was fantastic, because it was a beautiful day.

比如昨天，我和米歇尔去骑车了，好玩极了，天气也不错。

There are other advantages of bike riding.

骑自行车还有其他好处。

Oh, Sam! I remember we went bike riding together last fall when he visited you.

噢，山姆！我记得去年秋天，他来你家时，我们一起骑自行车。

Then you're going to learn and write a research paper about the history of bike riding.

然后，您将学习并撰写有关自行车骑行历史的研究论文。

So when I put one of these actions into the past perfect continuous, it becomes really clear that the bike riding started before I met Paul and at the moment in time when I met Paul the bike riding was incomplete.

因此，当我将这些动作之一放到过去完成进行体中的时候，很明显骑自行车在我遇到保罗之前就已经开始了，而在我遇见保罗的那一刻，骑自行车这个动作并没有完成。