reroll

If an effect lets you reroll an attack roll and you rolled twice because of this power, you reroll both dice.

如果一项效应让投攻击骰而因为此威能而以投，那粒骰都以投。

Crack Shot - Any enemy the Exarch is shooting at may not make any cover saves and he may reroll any to wound rolls when shooting.

出色枪法-军射击的目标不具有掩蔽物保，掷失败的损伤。