The researchers sampled water flowing from the shower heads, then removed them, swabbed the interiors of the devices and separately sampled water flowing from the pipes without the shower heads.是什么意思_The researchers sampled water flowing from the shower heads, then removed them, swabbed the interiors of the devices and separately sampled water flowing from the pipes without the shower heads.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句