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re-entry (n.)
[re-entry 词源字典]
also
reentry
, mid-15c., "act of entering again," from
re-
"again" +
entry
; probably on model of Middle French
rentrer
(12c.). Specifically of spacecraft from 1948.
[re-entry etymology, re-entry origin, 英语词源]
[re-entry 词源字典]