单元：UNIT 09.txt

• amusement
• amusement park
• somewhere
• camera
• invention
• invent
• unbelievable
• progress
• rapid
• unusual
• toilet
• encourage
• social
• peaceful
• tea art
• performance
• perfect
• tea set
• itself
• collect
• a couple of
• German
• theme
• ride
• province
• thousand
• thousands of
• safe
• simply
• fear
• whether
• Indian
• Japanese
• fox
• all year around
• equator
• whenever
• spring
• mostly
• location