erasable
可清除
erasable
可抹除 可擦除
E·ras·a·ble a. Capable of being erased.
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erasable
adj : capable of being effaced; "the fire's worst scars were
effaceable by a comprehensive program of
reforestation"; "a signal too loud to be erasable in a
single pass through the erase head" [syn: effaceable]