Tetrasporales
四孢藻目
??? 情景例句
But?
但是？
He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的閱讀和寫作是強項，但他希望知道怎樣去理解和說得更好。
As long ago as the fourteenth century,
早在14世紀，