提示：点击例句中的单词，就可以看到词义解释

Banks say they are already racking up significant costs .

相关银行称，它们已承担了大量成本。

College costs have strongly outpaced the inflation rate , and the debt students are racking up is crippling .

大学的成本增加已远超于通胀率，学子们为此累积的债务也十分惊人。

Job interviews can be stressful and nerve racking - especially when you really need a job .

面试令人压力山大、神经紧张-尤其是当你很需要这份工作时。

We will say this , however : horizontal racking is a space-efficient way to store your bottles , and it definitely can 't harm your wines .

我们要说的是，水平式的货架是一个节约空间的储存办法，而且它绝对不会对你的葡萄酒造成伤害。

Social networking is booming , and big contenders like myspace and facebook are racking up millions upon millions of users .

社交网站正在蓬勃发展，诸如myspace和facebook之类的竞争对手正忙着争取数以百万的用户。