You know the risks of promiscuous sex.你知道滥交的危险。Alec know that she was promiscuous and superficial.亚历克知道她是乱七八糟和浅薄的.promiscuous sexual relationships男女乱交的关系...the dazzling, promiscuous display of new styles.各种新的风格混杂在一起，令人眼花...
下棋时,我的心境处于很集中的状态.I have to be in the right frame of mind to play chess.所以,炼油厂的厂址总在远离人口集中的地方.Hence the sitting of refineries is at a distance from population centres.他走得很快, 一副闷闷不乐、心思集中的神气.He walked quickly, with his close...