The cross sections for these fusion reactions are appreciable only for incident energies above 10 KeV.只有当入射能量超过10千电子伏时,这些聚变反应的截面才是可观的.A source told the News of the World : This vid is dynamite and Kev knows it.有消息说: 录像带内...
木虱会侵害活体植物并啃咬它们的茎。Woodlice attack living plants and gnaw at the stems.但一种叫作马铃薯木虱的昆虫负有部分责任.Part of the answer is an insect called the potato psyllid.该细菌似乎和马铃薯木虱的亲缘生物 —— 柑桔木虱——传播的细菌有亲缘关系.It appears to be to a bacterium tran...
眼眶下面有皱纹,双颊的皮肉松弛.There were pouches under the eyes, the skin sagged from the cheekbones.英格兰潮湿的空气仿佛加深了她双颊的红润.The moist English air seemed to have deepened the bloom of her cheeks.眼先和颊的裸露部为深绿色.Eye and cheek first exposed th...