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文章难度:★★★★☆词数:399建议阅读时间:7分钟Those of us who study UFOs have more than ample information to keep us busy. There are at least 15~20 reports per day,and usually several photographs and videos to analyze. If you ever get behind,there is no catching up.
Article Difficulty: ★★★★ ☆ Number of Words: 399 Suggested Reading Time: 7 minutes Those of at least 15 to 20 reports per day, and usually several photographs and videos to analyze. If you ever get behind, there is no catching up.