apk 防

fáng to protect; to defend; to guard against; to prevent

反

fǎn contrary; in reverse; inside out or upside down; to reverse; to return; to oppose; opposite; against; anti-; to rebel; to use analogy; instead; abbr. for 反切[fan3 qie4] phonetic system

编译

biān yì to translate and edit; translator-editor; (computing) to compile (source code)

唯一

wéi yī only; sole

购买

gòu mǎi to purchase; to buy

联系

lián xì connection; contact; relation; to get in touch with; to integrate; to link; to touch

lián xì variant of 聯繫|联系[lian2 xi4]

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