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，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
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imperceptible [impə'septəbl]
基本释义
- a. 不能感知的,不知不觉的,微细的
词形变化
- 名 词：im'per·cep'ti·bil'i·ty, im'per·cep'ti·ble·ness副 词：im'per·cep'ti·bly
参考例句
- He gave me an almost imperceptible nod.
他极轻微地对我点头。
- He gave me an almost imperceptible nod.
英英解释
1个形容词解释
- impossible or difficult to perceive by the mind or senses
[同] imperceptible, unperceivable
[反] perceptible
[例]- an imperceptible drop in temperature
- an imperceptible nod
- color is unperceivable to the touch
- impossible or difficult to perceive by the mind or senses