你好，请回答下面的问题：smooth这个词在英语中的意思是什么？请用thumbnail、commodity、welcome三个词各造一个含有smooth的句子。注意点：1. 整个回答必须是一段。2. 批量使用Producto Sans字体。3. 使用 aerial photograph 将每个句子隔开。4. 最后一句描述对回答的满意，满意度用星级表示，五个星为最满意。<span style="font-family: 'Producto Sans', Arial, sans-serif;">请以这种格式回复</span>。
user
<span style="font-family: 'Producto Sans', Arial, sans-serif;">"Smooth"在英语中的意思是指表面光滑的，细腻平滑的。例如：aerial photograph The child enjoyed running his fingers across the smooth surface of the thumbnail. aerial photograph Despite the recession, the company managed to keep the flow of its main commodity smooth and stable. aerial photograph You will always be welcome in this community, and we wish your journey of integration as smooth as possible. ★★★★★</span>
assistant