再过几天球芽甘蓝就可以吃了。In a few days time the sprouts will be ready to eat.天文学家已把天球划分为88个区域.Astronomers have divided the celestial sphere into a total of 88 regions.旋转的天球上显示了星座中的主要星体.The rotating sphere shows the major stars of t...
Even grafting new blood vessels in place of the diseased coronary arteries has been tried.甚至移植新血管代替不健康的冠状动脉的方法都已经试过.Burns can often be cured by grafting on skin from another part of the same body.烧伤常常可以用移植身体其它部位的皮肤来治愈.Th...