Quarternate
四个一组的
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
Deliver not your words by number but by weight.
言不在多，而在有物。
This is a major achievement because, in relative terms, planets are very small and old not emit light.
这是一个重要的成就，因为相对来说，行星很小，而且也不发光。