向后;相反地;倒退地;

这两个词都有“向…后;在…后”之意,表示方向时可互换。它们的区别在于:back侧重于方向或原始位置或状态的恢复;而backwards则侧重于动作进行的方式。
词源词根法
back后面+-wards方向
同近义词
adv.倒;向后;逆;rear,fro
同根单词
backward adj.backward向后的;反向的;发展迟缓的backswept向后倾斜的;被扫向后面的adv.backward向后地;相反地nbackswept[航]后掠角
He stumbled, clawed wildly at the air and fell backwards into the water.
他绊了一脚,双手在空中胡乱抓了几下,然后仰天栽进了水里。
来源:《柯林斯高阶英汉双解学习词典》I asked about one or two things that interest me and she really did know it all backwards.
我问了一两样我感兴趣的东西,她的确都了如指掌。
来源:《柯林斯高阶英汉双解学习词典》Prospects for effecting real political change seemed to have taken a major step backwards.
实现真正政治变革的机会似乎变得更加渺茫了。
来源:《柯林斯高阶英汉双解学习词典》He was not able to walk without a cane and could only navigate steps backwards.
没有手杖他无法走路,只能小心翼翼地向后退。
来源:《柯林斯高阶英汉双解学习词典》As he stepped backwards she fell onto her knees, then onto her face.
他向后退时,她双膝跪倒在地,接着迎面倒了下去。
来源:《柯林斯高阶英汉双解学习词典》He gave her a hard push which toppled her backwards into an armchair.
他用力推了她一下,她就向后跌坐在一把扶手椅里。
来源:《柯林斯高阶英汉双解学习词典》所有演员在上台前都应当把台词记得滚瓜烂熟, 因为一紧张就容易忘词.
来源:《简明英汉词典》Greater government intervention in businesses would represent a step backwards.
政府加强对企业的干涉将是一种倒退。
来源:《柯林斯高阶英汉双解学习词典》Insert the fork about 6in. from the root and simultaneously lever it backwards.
将耙子插入到离根部约6英寸的地方并同时向后扳。
来源:《柯林斯高阶英汉双解学习词典》Without so much as a backwards glance, he steered her towards the car.
他眼睛直视前方地领她走向那辆车,瞥都没往后瞥一眼。
来源:《柯林斯高阶英汉双解学习词典》
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