Nanocrystals
(nanocrystal 的復(fù)數(shù)) 納米晶體
??? 情景例句
Would you describe yourself as outgoing or more reserved?
你認(rèn)為你是個外向的人還是內(nèi)向的人？
I wish I were running across an open field.
我真希望在原野奔跑。
It's a book.
一本書。