concentrate

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【词性】：v．

【释义】：

❶ 集中，全神贯注〔I must concentrate on this problem．我必须倾全力于这个难题。

〕
❷ 集中于一点〔The troops are concentrated at the border．军队集结在边境地区。〕
❸ 浓缩〔You ean concentrate the jam by boiling off some of the water．你可以用气化沸水的方法来浓缩果酱。

〕‖ n．浓缩物〔Evaporated milk is a concentrate．炼乳是浓缩奶。〕