lemon /ˈlemən/ n. ［c］ 柠檬，柠檬树；[u]柠檬汁：lemon-drop 柠檬糖；a port and lemon红葡萄酒和柠檬汁Two lemons stand beside the entrance.入口处有两棵柠檬树。He is drinking lemon squash.他正在喝柠檬露。

 lemonade /ˌleməˈneid/ n. ［u］ 柠檬水：What are you going to have, lemonade or other juices?你喝柠檬水还是其他果汁？She makes lemonade with lemons.她用柠檬做柠檬汁。