介绍同学

"My classmate's name is Lily. She is a very friendly and helpful person."（我的同学叫莉莉，她是一个非常友好和乐于助人的人。）

赞美老师

"You’re a teacher for all seasons, And you have my gratitude! A teacher is like Spring, Who nurtures new green sprouts, Encourages and leads them, Whenever they have doubts."（您是一位四季的老师，我深感感激!老师就像春天，培育着新的绿芽，鼓励并引导他们，每当他们有所疑惑。）

"Teacher is a sun, children are flowers! For all the great things you say and do… The best teacher's award goes to you."（老师是太阳，孩子们是花朵!因为您所说的和所做的一切，最佳教师奖颁发给您。）

"We will keep in mind your earnest discourse. Take every step in life, Friendliness, bodybuilding, realistic, enterprising!"（我们会牢记您的谆谆教诲。走好生命中的每一步，友爱、健美、求实、进取!）

这些句子可以用来介绍同学或老师，并表达对他们的感激和赞美之情。希望这些句子对你有所帮助!