Video footage circulating online on Wednesday Beijing time showed that the panda house at the Memphis Zoo had been cleaned and staffers had put up banners with drawings of Ya Ya in the house.

北京时间周三，网上流传的视频片段显示，孟菲斯动物园的熊猫馆已经打扫干净，工作人员在熊猫馆里挂上了画着丫丫的横幅。

Of course, your body doesn't run on gasoline, but it does rely on oxygen, and therefore, your entire blood supply must circulate through the heart and to lungs many times a day to replenish its oxygen supply.

当然，身体不需要汽油，但它确实需要氧气，因此，整个血液供应必须通过心脏和肺循环，每天多次，以补充其氧气供应。