plumbed的音标：plumbed的英式发音音标为：[p'lʌmd]plumbed的美式发音音标为：[p'lʌmd]...

Plumbers charge by the hour for their work.水管工人的工作是以小时收费的.Later skilled workers such as electricians and plumbers organized into unions.后来,像电工,管道工等技术工人也组织了工会....skilled workers, such as plumbers and electricians.管道工和电工等技...

plumb的第三人称单数（三单）为：plumbs...