城堡在围困三个月后终于投降了。
The castle surrendered after enduring a three-month ___siege.
中世纪城堡经常遭受长时间的围困。
Medieval castles often endured long ___sieges by enemy forces.
疫情爆发后，医院面临着持续的人员和设备短缺问题。
After the outbreak, the hospital endured a long ___siege of staff and equipment shortages.
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