英语翻译从外表看,他是个演员.
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演员在下降至床的过程中,重力势能转化成动能;在离开床上升的过程中,动能转化成重力势能.演员在接触床至静止的过程中,动能转化成弹性势能;在从静止到离开床的过程中,弹性势能转化成动能.
答:1、力可以改变物体的形状;2、力可以改变物体的运动状态;3.从高处下落---重力势能转化为动能;4.接触蹦床到蹦床发生最大弹性形变---动能转化为弹性势能;5.发生最大弹性形变到蹦床恢复原状---
Heisahandsomeboy
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Heisanactor.
Becauseheisanactionmovieacto
actionmovieacto
翻译是:Heisafilm/moviestarHeisaTVplayer/acto
Hecan'tbeaFrenchfromhisappearance.
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Heisfondoftravelling.
myfavourite;thinkthebestgoestothe;withfatherwhoiswhat`syou
Heismore(a)singerthanactor.
Heisastylishdresse
He'smyfavoriteactor,andIthoughtheisgreat,whileshethinkscomedyinteresting,soweoftencometoseecomedywit
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