Beijing is in the midst of an Olympic blood drive. Advertising posters line inner city bus stops shelters and are plastered on subway station walls.
北京正在发起一场奥运献血运动，在市区巴士车站的候车亭和地铁车站的墙上都张贴着广告标语。
The research focused on epithelial cells, the cells that line the gut and blood vessels.
研究主要集中在上皮细胞上，即那些分布在肠道和血管壁的细胞。
For example, a "thing" can be a wireless blood pressure monitor, a sensor on an assembly line or an RFID tag on a piece of clothing in a store.
这个“事物”可以是无线血压监测仪、传感器、生产流水线，或是商店里衣服上的射频识别标签。
应用推荐