...洲区各国卫生部提出,通过常规免疫和定期强化免疫相结合的“3个-up”免疫策略〔即初始强化免疫(Catch-up)、常规免疫(Keep-up)、后续免疫(Follow-up)〕,并加强病例监测(包括疑似麻疹病例的实验室诊断),到2000年在西半球消除本土麻疹病毒传播〔5、6〕。
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keep up 保持 ; 维持 ; 继续 ; 坚持
keep up with 跟上 ; 不落后 ; 赶上 ; 向
keep up appearances 摆谱儿 ; 摆谱 ; 撑门面 ; 装门面
keep up with the tide 依时顺势 ; 依时趁势
Can not keep up 赶不上
keep up with the Joneses 赶上琼斯家 ; 跟别人比阔 ; 赶时髦 ; 与他人攀比
keep up with the times 跟上时代 ; 要跟上时代
Keep Up To Date 使记到最近时期 ; 易维护 ; 赶时髦
keep up-to-date 赶时髦
PHRASAL VERB If you keep up with someone or something that is moving near you, you move at the same speed. 跟上
He lengthened his stride to keep up with his father.
他迈开大步跟上他父亲。
PHRASAL VERB To keep up with something that is changing means to be able to cope with the change, usually by changing at the same rate. 跟上 (变化)
The union called the strike to press for wage increases which keep up with inflation.
工会号召罢工,要求工资增长跟上通货膨胀。
PHRASAL VERB If you keep up with your work or with other people, you manage to do or understand all your work, or to do or understand it as well as other people. 跟上 (工作进度等)
Penny tended to work through her lunch hour in an effort to keep up with her work.
为了努力跟上工作进度,彭妮往往午饭时间也在工作。
PHRASAL VERB If you keep up with what is happening, you make sure that you know about it. 了解
She did not bother to keep up with the news.
她不愿操心去了解新闻。
PHRASAL VERB If you keep something up, you continue to do it or provide it. 使继续下去
I was so hungry all the time that I could not keep the diet up for longer than a month.
我总是饿,所以我的节食一个月后就继续不下去了。
PHRASAL VERB If you keep something up, you prevent it from growing less in amount, level, or degree. 使不下降
The riders had to keep their pace up.
骑手们必须保持速度不减。
→ see also keep
It pays to keep up to date with your work.
工作能跟上时代是有利的。
慢点—我跟不上了!
Do you still keep up your Spanish?
你还坚持说西班牙语吗?
Brennan promised that the United States will keep up the pressure on terrorist havens worldwide, including those near the Afghan-Pakistani border.
VOA: standard.2009.08.06
He couldn't--He ended up not being able to keep a job, not being able to deal with people.
他不能,他不能继续工作,不能与人交流。
I keep waiting for somebody-- I think the time is right for somebody to come up with a theory and explain it by global warming.
我一直期待有人-,我认为是时候有人出现,用全球变暖来解释它
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