在任何情况下对生殖器的描述或图像描述、暴露的乳头或裸露的臀部，或部分遮盖的裸露。採取這體位時，女人背部朝下躺著，男人躺在女人上面或者稍微偏側邊。男人喜歡這體位，因為可以根據接近高潮的程度來控制進入的深度和抽插的速度。女人喜歡這體位，�

Other regions of desire that could be pointed out are in dentistry applications [84–86], by way of example for root canal cleaning. Also, the incorporation of UCA microbubbles for therapeutic functions opens a brand new subject of opportunities other than imaging. The backscattering from this kind of bubbles could probably be useful for tissue re