vivoapk 防毒

fáng dú defense against poison; defense against poison gas; anti-narcotics measures; defense against computer viruses

理

lǐ texture; grain (of wood); inner essence; intrinsic order; reason; logic; truth; science; natural science (esp. physics); to manage; to pay attention to; to run (affairs); to handle; to put in order; to tidy up

有效

yǒu xiào effective; in effect; valid

期限

qī xiàn time limit; deadline; allotted time

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