Keratosulphate
n. [生化]硫酸角質
??? 情景例句
Sheet is a five-letter word. Sheet
是五個字母的單字。
He would direct the workman to use his plans.
他為了執行自己的計劃，給員工下了指示。
First of all, I will outline the characteristics of our product.
首先我將簡略說明我們商品的特性。