Despite the heat, he'd swapped his overalls for a suit and tie.尽管很热，他还是脱掉工作服换上了西装和领带。Genes are those tiny bits of biological information swapped in sexual reproduction.基因是在有性繁殖中交换的微小生物信息。She swapped her plain suit f...
What's seventeen plus nine?17加9等于多少?Seventeen thousand Indians live in Arizona on a reservation.1.7万印第安人生活在亚利桑那州的保留地。Debbie is the black sheep of the family, having left home at seventeen to live with her boyfriend....