up to 250 words 意思是达到250个词,就是说250个词就达标了。
up to
英 [ʌp tu:] 美 [ʌp tu]
具体释义:多达;达到; 直到; 在于…; 能胜任
up to相关短语:
短语
up-to symbol [计] 直到符号 ; 翻译
Wind up business to 闭业 ; 关店
made up mind to 决意
sign up for to 祥庆察照差丛顾
up exercises to music 广播操
wind up promoted to 被提升为
give up claim to 放弃对……的要求
end up promoted to 被提拔为
Step Up Efforts To 加强以
例句:
1、They roused themselves up to action under his leadership.
他们在他的领导下奋起采取行动。
2、He dissimulated his intentions right up to the moment of the attack.
一直到进攻的时刻他仍掩饰自己的意图。
3、The prisoner measures up to the descriptions of the police.
这个囚犯的外貌特征符合警察的谨茄描述。
4、I brought her proficiency up to the required level.
我把她的熟练程度提高到所规定的水平。