Meliaceae
[植]楝科
?? 擴展釋義
【醫】 │棟科
??? 情景例句
Seeing as you are all so tired, we'll finish this lesson next time.
考慮到現在你們都很累了，這課我們下次接著講吧。
He has a letter.
他有一封信。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我們所知道的現有恒星數目估計約有30億×1000億顆。