单词：white dwarf star
white dwarf star的用法和样例：
例句
- It is then referred to as a White Dwarf.这时，它被称为白矮星。
- A white dwarf is the inert remnant of what used to be a sunlike star.白矮星是类似太阳的恒星在死亡后所留下恒久不变的残骸。
- White Dwarf［天文学］白矮星...
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