
step
up含义:走上;
(使) 增加;
(使) 加快速度;
走上前去;
例句:He urged donors to
step
up their efforts to send aid to Somalia他敦促各捐赠方加快速度将援助物资送往索马里。

step
up含义:走上;
(使) 增加;
(使) 加快速度;
走上前去;
例句:He urged donors to
step
up their efforts to send aid to Somalia他敦促各捐赠方加快速度将援助物资送往索马里。
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