| 例句 |
black holenoun empty spacediscovered that there was a black hole in the library's collection with regard to her tropic blank, blankness, emptiness, vacancy, vacuity, void nothingnessinane, vacuumair, open, wastebareness, barrenness, bleakness, desolateness, hollownesscavity, gap, hole, hollow fullness(also fulness), repleteness in 1964 |