litteringn.
英 'lɪtərɪŋ | 美 'lɪtɚrɪŋ
中文n. 乱丢废物\nv. 弄乱；充满（litter的ing形式）
乱丢废物
v. 弄乱；充满（litter的ing形式）
词根词源
littering (n.)1540s, of animals, "process of bringing forth young in a single birth," verbal noun from present participle of litter (v.). Meaning "act of furnishing with bedding" is from c. 1600. That of "act of dropping litter" is from 1900.
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