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Do you know？
There is no plant life without lightning.
The sun is about 1,300,000 times larger than the Earth.
There are no bones in the back of elephants’ feet--- only fat.
the back of elephants’ feet
Our eyes are the same size from birth
Our eyes are the same size from birth, but our nose and ears never stop growing.
Fish sleep with their eyes open.
Words and expressions
amazing adj.
same adj.
birth n.
stop doing sth
earth n.
bone n.
back n.
fat n.
fact n.
令人吃惊的
相同的
出生
停止做某事
地球
骨头
后部，背部
脂肪
事实
a
b
c