flanking

1.a flanking attack from the north-east.

从东北方向发起的一次侧攻。

2.massive walls, defended by four flanking towers.

厚的城墙，四侧各有一座塔楼防护。

3.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.

蛋白质内含肽是一个蛋白质的多肽序列，可以催化自身从蛋白质断裂，使两侧的蛋白质外显肽连接成成熟的蛋白质。