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Contractions
[kən'trækʃən]
例句:
The
contractions
and
expansions
set
in
motion
the
clockwork
which
marks
the
rate
of
consumption
.
佚名.
神奇的知识之书
.
A
galvanoscopic
frog
giving
contractions
with
one
cell
through
two
water
rheostats
was
then
placed
in
circuit
.
弗兰克·刘易斯·戴尔.
爱迪生的生平和发明
.
亚伯整理
