The first flight time, 1.15 seconds, in Figure 2 came from a pink copter with no paper clip weight and a short blade.是什么意思_The first flight time, 1.15 seconds, in Figure 2 came from a pink copter with no paper clip weight and a short blade.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句