1. ready准备好（做某事）的，形容词。用法：（1）be / get ready to do sth.准备做某事。如，I'm ready to play football with my friends.（2）be /get ready for sth. 为某事准备好；为......做好准备。如，She's ready for the Spring Festival.（3）be ready to do sth.乐意做某事。如，He’s ready to help others.（4）be ready准备好了。如，Dinner is ready, Sam.
  2. join参与，加入（某项活动），动词。用法：如，join后接人或组织。如，Do you want to join the Music Club? / I want to join them now.
  3. introduce介绍，动词。用法：（1）introduce myself 自我介绍。如，I introduce myself first.（2）introduce...to ...把......介绍给......。如，Now I introduce Lucy to you.
  4. yourself你自己；你们自己，代词（反身代词）。反身代词构成规律：第一、二人称的反身代词由形容词性物主代词+self（单数）或selves（复数）。如，myself, yourself, ourselves, yourselves。第三人称的反身代词是宾格+self（单数）或selves（复数）。如，himself，herself，itself，themselves。
  5. enjoy喜欢；享受......的乐趣，动词。用法：enjoy sth./enjoy doing sth. 喜欢某物或喜欢做某事。如，She enjoys reading books every morning.
  6. nervous神经紧张的；焦虑不安的，形容词。用法：（1）be nervous to do sth. 做某事感到紧张。如，She’s nervous to speak in front of class.（2）be nervous about sth. 对......紧张。如，I’m nervous about the football match next week.
  7. hobby业余爱好，嗜好，名词。复数是hobbies。用法：如，What's your hobby? / Swimming and running are his hobbies.
  8. need需要，动词。用法：（1）need情态动词，后接动词原形。如，We need work hard every day.（2）need实义动词，主语是人+ need to do sth.。如，She needs to find a map of this city. 主语是物+need doing sth.。如，The flowers need watering.
  9. decoration装饰物，名词（可数）。如，What do you think of these decorations? decorate装饰，动词。用法：（1）decorate with sth. 用......装饰。如，We decorate with some flowers.（2）decorate sth. with sth. 用......装饰......。如，They decorate the trees with some flowers.