When Stardustflew through the stream,it extended its tennis-racquet shaped aerogel collector, picking up and storing the interstellar particles.是什么意思_When Stardustflew through the stream,it extended its tennis-racquet shaped aerogel collector, picking up and storing the interstellar particles.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句