bill
(organic chemistry) A particular anthraquinone found in certain aloes, normally as a dimer.
Not lugubrious.
(transitive) To dig, chop, etc., with a bill.
(mineralogy, dated) A variety of barite that emits a foetid odour when rubbed or heated.
キツツキは隠れた虫に届くように木の樹皮をくちばしでつつく。
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