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一、详细释义：
v.
（使）变高；（使）加强 [I,T]
例句：
We should heighten the competitiveness of products.
我们要增强产品的竞争能力。
例句：
Use eye shadow to heighten your eyes.
使用眼影可以增大你的眼睛。
二、词义辨析：
enhance,heighten,intensify,aggravate
这些动词均有“加强，增强”之意。enhance侧重指增加价值，魅力或声望等使人或物具有超乎寻常的吸引力。 heighten通常指使某物的某种性质变得不同于一般的显著或突出。intensify指深化或强化某事或某物，尤指其特别之处。aggravate指加剧令人不快或困难的形势。
三、参考例句：
We should heighten the competitiveness of products.
我们要增强产品的竞争能力。
Use eye shadow to heighten your eyes.
使用眼影可以增大你的眼睛。
It will heighten fears over inflation, which remains stubbornly high.
这还会加剧民众对居高不下的通胀率的担忧。
It's the music to heighten the dramatic effect.
那是用于提高戏剧效果的配乐。
If you want to succeed, you must heighten your confidence.
如果你想成功，就必须增强信心。
The financial management must be strengthened so as to heighten economic profits.
要提高经济效益，必须加强财务管理。
Some are still making trouble and we must heighten our vigilance.
一部分人还在捣乱，必须对他们提高警惕。
Some crops could be planted in preference to others to heighten the food supply.
有些庄稼可以优先种植以增加粮食供应量｡
The news is likely to heighten unease in EU capitals over the Kremlin's tightening grip on energy reserves.
克里姆林宫加强对能源储备控制的消息可能会加剧欧洲各国的不安。
Some crops are relatively high yielders and could be planted in preference to others to heighten the food supply.
有些庄稼是相对高产的作物，优先种植会增加粮食供应量。
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