介绍:
Listening and Writing (Unit 2)
achievement
obey
let…down
seat
consider
sense
(be) in trouble
join in
universe
invitation
reduce
university
a series of
avoid
lecture
tonight
audience
turning point
by heart
applause
pale
mind
have no idea
theory
philosopher
trust
play a joke on sb.
genius
astronomer
exactly
action
sense of humour
humour
pleasure
take a seat
without difficulty
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