impossibilityn.
英 ɪm,pɒsɪ'bɪlɪtɪ | 美 ɪm,pɑsə'bɪləti
中文n. 不可能；不可能的事
词根词源
impossibility (n.)late 14c., "quality of being impossible," from impossible + -ity; perhaps from or modeled on French impossibilité. Meaning "an impossible thing or occurrence" is from c. 1500.
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