co·e·ta·ne·ous /ˌkoəˈteniəs/
(a.)同時代的
Co·e·ta·ne·ous a. Of the same age; beginning to exist at the same time; contemporaneous.
-- Co*e*ta*ne*ous*ly, adv.
And all [members of the body] are coetaneous. --Bentley.
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coetaneous
adj : of the same period [syn: coeval, contemporaneous]