lead pb

常见例句

Amatore explains when ingested, stomach acid turns lead into Pb(IV), which is toxic, but the Pb2+ generated on the skin has a protective effect.
阿玛托解释道，铅在胃中会变成Pb(IV)（四价铅），是有毒的；而在皮肤上涂覆Pb2+则具有保护功能。
Content of heavy metals lead(Pb) and arsenic(As) in cigarette flavors were determined by atomic absorption spectrometry(AAS) with wet digestion.
运用湿法消解-石墨炉原子吸收光谱法，定量检测烟用香精中重金属铅和砷。
Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.
那就选拉丁文吧，用于学术的语言，所以，iron就变成了Fe，表示铁元素,铅变成了，Pb，表示铅元素,金变成了Au，表示金元素，等等。

Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.
那就选拉丁文吧，用于学术的语言，所以，iron就变成了Fe，表示铁元素,铅变成了，Pb，表示铅元素,金变成了Au，表示金元素，等等。
麻省理工公开课 - 固态化学导论课程节选