1. This valve regulates the flow of water. 这个阀门调节水流。
2. Congress passed a law that regulates the disposal of waste. 国会通过了一条管理废物处理的法律。
3. This receptor is located on a small set of neurons in the hypothalamus, a region that regulates appetite. 该感受器位于下丘脑的一小部分神经元上，一个调节食欲的地方。
4. Its control center is based in the forebrain, and it regulates breathing for use in speech, singing, sighing, and so on. 它的控制中心在前脑，而且它管理说话、唱歌、叹气等行为下的呼吸活动。
5. Like when you walk outside on a hot day, you perspire, and your body cools itself down, a classic example of how a mammal regulates its own body temperature. 比如，当你在炎热的天气在户外行走，你会出汗，你的身体会自我降温，这是哺乳动物如何调节自身体温的典型例子。
