记忆方法
将“motionless”分解为“motion”（运动）和“less”（没有）。想象一个物体完全静止，没有任何运动，因此它是无动于衷的，即“motionless”。
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英语词源
- motionless (adj.)
- 1590s, from motion (n.) + -less. Related: Motionlessly; motionlessness.
权威例句
- 1. The injured man was lying motionless on his back.
- 那名受伤的男子一动不动地仰面躺在那里。
- 2. Fish and seaweed rose, caught motionless in the surging water.
- 鱼和海藻浮起来，在汹涌的水流中动弹不得。
- 3. Her hands were motionless.
- 她双手静止不动。
- 4. He stood there motionless.
- 他一动不动地站在那儿。
- 5. She stood absolutely motionless.
- 她纹丝不动地站在那里。