tap lead

英 [tæp liːd]

美 [tæp liːd]

【电】分接头引线

For each child, the researchers measured the concentration of manganese in tap water from their home, as well as iron, copper, lead, zinc, arsenic, magnesium and calcium.
对于每一个孩子，研究者检测了他们家里自来水中锰、铁、铜、铅、锌、砷、镁和钙的含量。
Captain Sellers introduced the tap of bell as a signal to heave the lead.
赛勒斯船长提出了以敲铃为抛测铅的办法。
In one study, tap water accounted for up to20 percent of human exposure to lead.
一项研究表明，自来水占人体所接触到的铅的20%。
Furthermore, lead is frequently used as a material for water supply pipes, and tap water that has been in contact with a lead pipe for a long time ( e.g., overnight) can contain relatively high amounts of lead.
而且铅经常用来作为供水管道的材料，因此自来水与铅管有长时间的接触（比如说，一晚上），从而自来水中含有较高量的铅。
Over the years, arsenic is well known for its toxicity, and arsenic contamination of tap water is becoming a worldwide problem. Excessive amounts of arsenic in drinking water may lead to chronic arsenic poisoning and is considered relevant to carcinogenesis and very harmful to human.
长期以来，砷以它的毒性而闻名，饮用水中的砷污染成为一个世界问题，饮用水中含有过量的砷会导致人体慢性砷中毒，医学上认为砷是一种癌症诱因，对人类危害极大。