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封鎖， ふうさ
1. blockade, lockdown, sealing off (an area)
2. freezing (funds)
封锁
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開く， ひらく
1. to open, to undo, to unseal, to unpack
2. to bloom, to unfold, to spread out
3. to open (for business, e.g. in the morning)
4. to be wide (gap, etc.), to widen
5. to hold (meeting, party, etc.), to give, to open
6. to found (nation, dynasty, sect,...
举办，召开(会议等)；开门营业；开，打开，开启；绽放、展开、伸展