hadron epoch造句

例句与造句

1. It started roughly 1 second after the Big Bang, after the majority of hadrons and anti-hadrons annihilated each other at the end of the hadron epoch.
2. The majority of hadrons and anti-hadrons annihilate each other at the end of the hadron epoch, leaving leptons and anti-leptons dominating the mass of the universe.
3. It's difficult to find hadron epoch in a sentence. 用hadron epoch造句挺难的