慢速英语:10 Tech Tools to Teach You New Words

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短语讲解：

1. You can compete with others online.

compete with 与…抗争
例句：Here was a car priced to compete with the small imports.
这部车的定价可与进口的小车竞争。

2. The website is free, but its apps are available for a fee for mobile devices.

be available for 有效
例句：The ticket is available for three days.
这张票有效期三天。

3. Learner's Dictionary has useful tools such as Word of the Day, quizzes and the most popular words looked up on the site.

look up 查找; 向上看
例句：Hang on a minute while I look it up.
你稍等一下，等我查查看。