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度假
on holiday
My mother is a teacher.
She works hard every day.
My cousin is a worker.
Now he’s on holiday.
mother
teacher
worker
/?/
以字母组合er结尾的单词大部分发短音/?/，只有her发长音/?:/。
Can you find other words？
father mother brother
sister summer winter
under after farmer
worker driver matter…
Shanghai Museum
Who invented the aeroplane and the train?
the aeroplane
the train
invent
发明
/?/
The Americans invented the aeroplane.
美国人发明了飞机。
Wright Brothers
The Wright brothers lived in the US.
莱特兄弟生活在美国。
They made bikes.
他们以制造自行车为生。