论文部分内容阅读
肥皂的分(fen)子(zi)一端(duan)是“亲(qin)水”性(xing),一端是“亲油”性。当(dang)它遇(yu)到油(you)污(wu)时,“亲油”的一端就和油污微(wei)粒(li)融(rong)合
The duan of a fen of a soap is “qin” xing and “lipophilic” at one end. When it meets (yu) to oil (wu), one end of “lipophilic” rongs with oil wei (li)