excretings
plural of excreting
(historical) A system used by the US Navy in the late 19th century to enable ship-to-ship communications at night. Each installation used a series of eight double lamps (four red and four white) hu...
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That has not been dialled.
生物学者たちはホルモンレベルを分析するために動物からのいくつかの排泄行為を記録した。
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