그 천문학자는 1920년에 다시 시도했다.
This route is an interactive study surface. It is intentionally marked as non-indexable while still exposing the underlying card content.
Front: 그 천문학자는 1920년에 다시 시도했다.
Back: The astronomer tried again in 1920.
This route is an interactive study surface. It is intentionally marked as non-indexable while still exposing the underlying card content.
Front: 그 천문학자는 1920년에 다시 시도했다.
Back: The astronomer tried again in 1920.