如果你画了几幅油画，你可以说 "I have painted several oil paintings." 油画是一种古老而又流行的艺术形式，它通常使用油画颜料和画布创作。油画可以创作出鲜明的色彩和丰富的纹理，常用于描绘人物、风景、静物和动物。

下面是一些例句和中文翻译：

"I have been studying oil painting for several years." 我学习油画已有几年了。
"The museum has a collection of famous oil paintings from the 19th century." 博物馆收藏了19世纪著名的油画。
"My favorite oil painting is the one of the blue flowers on the old wooden table." 我最喜欢的油画是描绘的蓝色花朵放在古老的木桌上的那一幅。
"I plan to sell some of my oil paintings at the art fair next weekend." 我打算下个周末在艺术博览会上卖一些我的油画。