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bump up 英 [bʌmp ʌp] 　美 [bʌmp ʌp]

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bump up

phrase. 突然增加；提升　

Yet when they do, the bump up against bigger rivals.　但是，当他们真的这么做时，他们碰见的更为强大的对手。

You don't have to be from another country to bump up against such differences.　不一定非要来自另一个国家才会遇到这种文化差异。

1. Yet when they do, the bump up against bigger rivals.

但是，当他们真的这么做时，他们碰见的更为强大的对手。
2. You don't have to be from another country to bump up against such differences.

不一定非要来自另一个国家才会遇到这种文化差异。
3. What you see is a bump up in activation in this nucleus accumbens in this area right when people see the product long before they are going to make a decision which continues.

这张图是受试者在见到商品之后,这一区域的伏隔核活动骤然攀升,而这种情况早在受试者作出决定之前,就已经发生，而且持续了下来。