The drugs work well at first but gradually lose their effectiveness.这些药的效果起初非常好,但后来逐渐失效.To assert this is to denigrate the effectiveness of the police.坚持这一点就是贬低警方的办事能力.Bad diction marred the effectiveness of his speech.措...
Visitor Centre and shop open 9 a.m.—5 p.m. weekdays; 10 a.m.—5 p.m. weekends.访客中心和商店的营业时间:周一至周五上午9点至下午5点,周末上午10点至下午5点。I am always busy on weekdays.我在工作日总是很忙。I'm busy on weekdays. May I see you on Sunday?我平时很忙, 我可以在周...