短语词组短语at the least 至少;最少;至少机动风暴;起码at t least one 至少一个at t least 至少at least at the least 至少compromise at the least commondenominator 最小共同点的妥协办法At the least cost of 以最小成本At -least-once delivery 要实施至少一次投放 返回 at least