highly toxic

基本解释

Although the extraction process in each location differs, they share a need for highly toxic chemicals.
尽管各地区提取元素方法不同，但是都需要一些剧毒化学物质。
Similarly, a UN convention may soon ban the use of tributyltin, a highly toxic chemical once added to the paint used on almost all ships’ hulls, in order to kill algae and barnacles.
与此类似，一个联合国协定可能会很快禁止三丁基锡的使用，这是一种有高度毒性的化学物质，曾被添加到油漆中应用到几乎所有的船壳上，目的是为了杀死海藻和藤壶。
Similarly, a UN convention may soon ban the use of tributyltin, a highly toxic chemical once added to the paint used on almost all ships' hulls, in order to kill algae and barnacles.
类似地，过去曾经被掺在几乎所有轮船船体涂料中，用于杀死海藻和贝壳类动物的高毒性化学物质——三丁基有机物质，在不久以后将会被一项联合国协议所禁止使用。

Ricin, which is derived from castor beans, is a highly toxic naturally occuring protein.
FORBES: Is Ricin An Effective Biological Terror Agent?
Which is a good thing, because modern systemic pesticides have made them highly toxic.
NPR: Robb Walsh: 'Are You Really Going to Eat That?'