in·ter·state /ˌɪntɚ/
(a.)州際的
In·ter·state a. Pertaining to the mutual relations of States; existing between, or including, different States; as, interstate commerce.
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interstate
adj : involving and relating to the mutual relations of states
especially of the US; "Interstate Highway Commission";
"interstate highways"; "Interstate Commerce
Commission"; "interstate commerce" [ant: intrastate]