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单词 drum cover
释义

> as lemmas

drum cover
drum cover n. Entomology Obsolete rare a structure which in certain species of cicada partly or fully covers the timbale.
ΚΠ
1817 W. Kirby & W. Spence Introd. Entomol. II. xxiv. 405 The drum-covers or opercula [of the cicada] from beneath which the sound issues.
1886 Jrnl. Asiatic Soc. Bengal 55 ii. 157 The tegmina are broadly wrinkled and the drum covers..are small.
extracted from drumn.1
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as lemmas
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