These approaches also provide ac cess to the sphenoid and ethmoid sinuses and the sella, and the medial part of the floor of the anterior fossa.是什么意思_These approaches also provide ac cess to the sphenoid and ethmoid sinuses and the sella, and the medial part of the floor of the anterior fossa.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句