名词
中文翻译：预主序阶段
同义词：
['pre-main phase', 'pre-main event']
例句：
-
1.The study of the pre-main sequence is crucial for understanding the evolution of life on Earth.
研究预主序阶段对于理解地球上生命演化至关重要。
-
2. During the pre-main sequence, the universe was expanding rapidly.
在预主序阶段，宇宙正在迅速膨胀。
-
3.The discovery of a new element in the pre-main sequence has sparked excitement among scientists.
在预主序阶段发现一种新的元素，引起了科学家的兴奋。