网络释义
...RA评级从高到低分别为卓越(Outstanding)、满意（高满意度和低满意度）(Satisfactory, High and Low)、需要改进(Need to Improve)，以及严重不合规(Substantial Noncompliance)，评级结果做成公开记录供公众查询。
基于16个网页-相关网页
...至 90% 之间为 B 级，意为良好（good）；70% 至 80% 之间为正常（fair），评定 C 级；60% 至 70% 为需要提高（need to improve），D 级；50% 至 60% 勉强及格（pass），E 级（注：在很多学校得到 E 级需要补考）；50% 以下为不及格（fail），等级 F。
基于4个网页-相关网页
need to improve and perfect 需要改进和完善
We Need To Improve 我们还需改进
need to improve our mannersinformation 需要改进我们的礼仪
Need To Improve Rankings 需要提高排名
But Need To Improve 但需要改进
双语例句原声例句权威例句
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我需要提高我的英语水平。
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We need to improve on our performance against Nabisco.
我们需根据纳贝斯克公司标准来提高我们的业绩。
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我得提高我的法语水平。
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Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives.
VOA: special.2010.06.16
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You need hybrids, in order to improve the category of what you're doing.
你必须用杂交来改良品种
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Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.
VOA: special.2009.07.28
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