They constituted a near - insuperable obstacle to the besieging infantry.它们就会形成围城步兵几乎不可逾越的障碍.He concentrated the sun's rays on the Roman ships besieging the city and burned them.他把集中的阳光照到攻城的罗马船上,把它们焚毁.The orcs flood...

besieging的音标：...

v.包围，围困，围攻( besiege的现在分词 )...