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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
增加；加强；提升
先理解核心含义，再看它在真实句子里的用法。
增加；加强；提升
To increase, augment, or advance, especially by one or more steps.
The factory is stepping up production to meet the growing demand.
工厂正在加大生产，以满足日益增长的需求。
增加、提高或推进,尤指逐步地。
To increase, augment, or advance, especially by one or more steps.
承担责任；挺身而出
To assume or take responsibility.
step up
Base
原形
steps up
3rd person
第三人称单数
stepping up
-ing
现在分词
stepped up
Past
过去式
stepped up
Past participle
过去分词
He steps up to the plate confidently.
他自信地走近本垒板。
The company is stepping up production this quarter.
公司本季度正在提高产量。
She stepped up to help when no one else would.
当没人愿意帮忙时，她挺身而出。
注意：'step up' 作动词时意为走近、提升或增加，是规则短语动词。
We need to step up our efforts if we want to finish on time.
如果我们想按时完成，就需要更加努力。
After the complaint, the company stepped up its safety checks.
接到投诉后，公司加强了安全检查。
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.