Maturational
化膿的\\n成熟的\\n成熟階段的\\n精子形成的
??? 情景例句
Dreadful weather, don't you think?
天氣可真差勁，你說呢？
Old wood is best to burn,old horse to ride.
老柴好燒，老馬好騎。
However, rescue operations are proving difficult.
然而，事實證明營救工作非常困難。