○○○ elaborate ⪢⪢
When stars with masses a bit bigger than our own sun
reach the end of their life and begin to collapse to form light hot dwarf stars, they will throw off their outer layers of matter. This matter will spread and form an elaborate cloud of gas which ...
http://qindex.info/i.php?x=19940
○○○ boatman ⪢⪢
When he
reached the river of death, he asked the _____ to carry him to the other side of the river. The _____ refused. "Only the dead can pass," he said to Orpheus.
http://qindex.info/i.php?x=24060