例句與造句

1. The anther is made up of an outer epidermis , a middle fibrous layer , and an inner nutritive layer , the tapetum
   花藥壁由外表皮層，中間纖維層，內(nèi)部營養(yǎng)層和絨氈層構(gòu)成。
2. It's difficult to find nutritive layer in a sentence. 用nutritive layer造句挺難的