Marevan
苄丙酮香豆素钠(抗血凝剂)
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
I'll see what I can do.
我看一看能怎么办。
He will take part in an important race across the Atlantic.
他将参加一次重大的横渡大西洋的比赛。