flanking

a flanking attack from the north-east.

从东北方向发起的次攻。

massive walls, defended by four flanking towers.

厚的城墙，四各有座塔楼防护。

Intein is an intervening polypeptide which can catalytic self-cleavage from a pre-protein accompanied by the concomitant joining of the two flanking polypeptides (the extein) through a peptide bond.

白质内含肽是白质前体中的多肽序列，可以催化自身从白质前体中断裂，使两的白质外显肽连接成成熟的白质。