书籍 Total English - 中高级 - 第 8 单元 - 第 2 课

having a lot of value

absolutely necessary and of great importance

above average in size or extent

very large in size

emotionally feeling good

extremely excited and happy

feeling unhappy, worried, or disappointed, often because something unpleasant happened

experiencing great shock or sadness

needing or wanting something to eat

desperately needing or wanting food

feeling extremely tired physically or mentally, often due to a lack of sleep

needing to sleep or rest because of not having any more energy