579. workforce ['wə:kfɔ:s] n. 劳动力
580. workmate ['wə:kfɔ:s] n. 同事；工友
581. workplace [wɜːkpleɪs] n.工作场所，车间
582. works [wɜːks] n. 著作，作品
583. worried ['wɜrɪd /'wʌ-] a. 担心的，烦恼的
584. worry [ˈwʌrɪ] n.& v.烦恼,担忧,发怒,困扰
585. worth [wɜːθ] a. 有…的价值,值得…的
586. worthless [ˈwɜːθlɪs] a.没有价值,没有用的
587. worthwhile [wɜːθˈwaɪl] a. 值得做的
588. worthy [wɜːθˈwaɪl] a. 值得的
be absent from…. 缺席，不在
be absorbed in 全神贯注于…
by accident(=by chance, accidentally)偶然地,意外
take…into account(=consider)把...考虑进去
account for (=give an explanation or reason for) 解释, 说明.
have an advantage over 胜过.
take advantage of利用.
allow for (=take into consideration, take into account) 考虑到, 估计到
apologize to sb. for sth. 为…向…道歉
appeal to sb. for sth. 为某事向某人呼吁.
appeal to sb. 对某人有吸引力
apply to sb. for sth. 为…向…申请 ;
apply for申请; apply to 适用.