rat-a-tat-tat
短语= rat-tat
词形变化
rat-a-tat-tats
复数
rat-a-tat-tats
释义与例句
n.
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1.
A series of short, sharp taps, especially made by knocking on a door, beating a drum, or firing an automatic weapon.
interj.
-
1.
A series of short, sharp taps, especially made by knocking on a door, beating a drum, or firing an automatic weapon.
哒哒哒
嗒嗒嗒
词汇关系
词源
Onomatopoeic.
来源：wiktionary