| 单词 | step up |
| 释义 | step up1.■走上，登上：to step up onto the stage走上舞台Would you like to step up to the third floor?请你到四楼来一趟好吗?2.■走近，靠近：Step up to me, please.请到我身边来。3.■加紧，加快；增加：Their salaries have been much stepped up.他们的工资已大大提高了。He's stepping up writing his new novel.他正在加紧写作他的新小说。4.■提升，晋升：He has been stepped up to the Ministry of National Defense.他已被提升，到国防部去工作了。5.■逐步扩大(或提高、加速)：Another harm of this kind of medicine is that you have to step up the quantity when you have taken them for a period.这种药的另一种危害是，在你服用一段时间之后，你得加大剂量。6.■升高…的电压：to step up the electric current升高电流的电压7.■树起，竖立：to step up markers竖立标杆 |
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