日期:
来源:雅诚德英语网
"The sun has woken up and is becoming more active as we approach the solar maximum," expected in 2013, Hesse said.
“太阳已经醒来,并逐步活跃。我们正在不断靠近它最活跃的时期——估计是在2013年。”黑塞说。
"The sun has woken up and is becoming more active as we approach the solar maximum," expected in 2013, Hesse said.
“太阳已经醒来,并逐步活跃。我们正在不断靠近它最活跃的时期——估计是在2013年。”黑塞说。