This is not an academic conference. This is,as I understand it, a gathering of human beings concerned about turning around one of the greatest threats humankind has faced.
VOA: standard.2010.05.17
So, imagine taking two IgG's, turning one upside-down and then they're hooked together.
想象一下,有两个IgG分子,将其中一个倒置,那么两个分子将会相互钩住
Lyricist Johnny Mercer was one of the world's most prolific composers, turning out more than 1,500 songs, including a classic he co-wrote with Harold Arlen, "That Old Black Magic."
VOA: standard.2010.04.12
But,if a child is choking and cannot make noise or is turning blue, parents should know the Heimlich maneuver, or for babies under the age of one, give a few quick slaps on the back and then chest thrusts.
VOA: standard.2010.02.23
应用推荐