Ibuprofen should be used with extreme caution in children and pregnant women as their metabolism rate of ibuprofen may be different than a healthy adult.

布洛芬在儿童和孕妇中使用时应格外谨慎，因为他们的布洛芬代谢率可能与健康成年人不同。

People with a high metabolism rate can eat a lot of food and never gain weight, because their bodies use a lot of energy.

新陈代谢率高的人可以吃很多食物而不会发胖，因为他们的身体会消耗大量的能量。