The renowned american satellite uhuru exemplifies the capabilities of x-ray astronomy . 著名的美国“乌呼鲁”卫星充分显示了X射线天文学的威力。
2.
The renowned american satellite uhuru exemplifies the capabilities of x - ray astronomy 著名的美国“乌呼鲁”卫星充分显示了x射线天文学的威力。
3.
It had been raining on and off all day . if the poor kitty is left there to sit through another rain , kitty was sure to go 那天整天下著大雨，只有下午的那段时间，天气放晴了一阵子，如果小猫没有人理会，再下一埸两后，小猫必定会一命乌呼。
