Hiring extra help is as easy as adding a new moderator .

租用额外帮助是那样轻松加入新主持人。

I have created a public group that requires new members to be accepted by an admin or moderator .

我已经创建了一个新成员需要通过一个管理员或仲裁者批准的公开群组。

Rickover eventually settled on a reactor design that economised on space by using water as both moderator and coolant-a pressurised water reactor , or pwr .

里科弗最终选定了一种反应堆设计方式，这种方式通过使用水同时作为减速剂和冷却剂而节约了空间一种加压水冷却反应堆，或者叫pwr。

It 's a delicate business , because a moderator who interrupts risks being seen by viewers as rude .

打断与否是件很微妙的事，因为主持人每次打断都是在冒险，在旁观者看来打断这一行为是不礼貌的。

Moderator jim lehrer of pbs will quiz the candidates on a variety of domestic topics and each man will have two minutes to answer .

美国公共电视台的主持人吉姆莱勒将就各种国内话题对候选人进行测试，每个人将有两分钟的时间来作答。