in·erad·i·ca·ble /ˌɪnɪˈrædɪkəbəl/
(a.)不能根除的,根深蒂固的
In·e·rad·i·ca·ble a. Incapable of being eradicated or rooted out.
The bad seed thus sown was ineradicable. --Ld. Lytton.
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ineradicable
adj : not able to be destroyed or rooted out; "ineradicable
superstitions" [ant: eradicable]