spermaceti 中文意思是什麼
spermaceti
解釋
n. 名詞 鯨蠟，鯨腦油。-
Features : long head that shares about a third of the total length ; a concave forehead ; flat chin stretching to the front ; the spermaceti case containing high fat content is located in the prolapsed occipital bone. besides making candles and ointments, this fat is good ingredient for making precision instrument lubricants
頭部特別長，約占身體長度的三分之一，額部下方凹入，平扁的上頷由此向前伸出，頭頂之外枕骨下垂構成鯨油器，內藏大量油脂，這種油脂除可製成臘燭和油膏之外，更可提煉成維護精密儀器的潤滑劑。
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