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fieldworker
90
learners
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acceptor rna
settle down
beef
goalless
sojourner
wildness
unnoticed
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10-4
10-4
/tɛn fɔr/
interjection
(
)
[American]
Acknowledgment of message received
(
10-4
[American]
,
ten-four
[American]
)
acknowledgment of message received
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