Figure 1 is an orthographic projection map of Earth (adapted from Espenak 1987) showing the path of penumbral (partial eclipse) and umbral (total eclipse) shadows.是什么意思_Figure 1 is an orthographic projection map of Earth (adapted from Espenak 1987) showing the path of penumbral (partial eclipse) and umbral (total eclipse) shadows.在線翻譯_英語_讀音_用法_例句