Fish, in particular, contain carcinogens (PCBs, DDT) and heavy metals (mercury, arsenic; lead, cadmium) that cannot be removed through cooking or freezing.

特别是鱼类，含有致癌物(多氯联苯，DDT)和重金属(汞，砷，铅，镉)，而且这些物质无法通过蒸煮或冷冻消除。

youdao

They never removed the lead pipes. Cost too much.

但建造方从没有将铅管移除，因为成本太高了。

youdao

When the device was removed and examined, it transpired that the insulation on the excess lead, coiled up next to the generator, had worn away, causing a short-circuit.

把设备取出来检查发现从缠绕在发电器旁边的一截引线上绝缘层损坏，引起了短路。

youdao

Earlier this year, a small amount of lead was taken from the church roof on two separate occasions, with larger amounts of lead flashing being removed overnight in two recent incidents, on 13 and 14 June.

BBC: Wigmore church roof targeted four times for lead

They can cause soreness and redness and lead to the implant being removed.

BBC: NEWS | Health | Infection risk of breast implants

The lead investigator, Hilton Botha, was removed from the case last month, a day after an error-riddled evidence presentation in the bail hearing.

WSJ: Oscar Pistorius's Bail Restrictions Eased