:有一杯水,用什么办法能从杯底的水喝起?5 W3 m8 y; Z7 s5 _- @
5.39.217.76, U% x5 F" a& ?$ K- v4 u
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回复后才按ctr+A5.39.217.761 G. T" s: P/ z0 x* { w
# e$ b/ c7 F" j* F( F+ Z# h- _2 C$ ltvb now,tvbnow,bttvb
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$ D2 Q2 L9 \8 s, m# }, r5.39.217.76(用吸管) |