Question

just as a cellphone needs energy from charging，是什么意思

Answer 1

意思是正如一个手机需要从充电获取能量一样。

词汇解释：
cellphone 英[ˈselfəʊn] 美[ˈselfoʊn]
n. 手机; 蜂窝式便携无线电话，大哥大;
[例句]His iPad, cellphone and camera were returned.
他拿回了自己的iPad、手机和相机。

need 英[ni:d] 美[nid]
vt. 需要; 必须;
aux. 必须; 不得不;
n. 需要; 需要的东西; 责任; 贫穷;
[例句]He desperately needed money.
他迫切需要钱。

energy 英[ˈenədʒi] 美[ˈenərdʒi]
n. 精力; 活力; [物] 能量; 精神;
[例句]He was saving his energy for next week's race in Belgium.
他正为下周在比利时的比赛养精蓄锐。

charge 英[tʃɑ:dʒ] 美[tʃɑ:rdʒ]
vt. 装载; 控诉; 使充电; 索价;
vi. 充电; 索价; 向前冲; 记在账上;
n. 电荷; 指控; 要价; 指责;
[例句]Even local nurseries charge £ 100 a week.
连本地托儿所每星期都要收费100英镑。

Answer 2

just as a cellphone needs energy from charging,
[译]正如一个手机需要充电能量

just as a cellphone needs energy from charging,
[译]正如一个手机需要充电能量

Answer 3

就像手机需要充电来取得能量（电量）一样

比喻句的比喻（小并感）

Answer 4

正如手机需要通过充电获得能量

Answer 5

just as a cellphone needs energy from charging
就像手机需要充电的能量