词汇对比与辨析

核心差别

mercuric 强调mercuric 是一个形容词,toxic 则侧重指物质或环境具有毒性

使用场景对比

对比方面mercurictoxic
核心含义mercuric 是一个形容词,指与水银(汞)相关的,常用于化学领域描述含汞或二价汞的化合物。指物质或环境具有毒性,能导致中毒或危害健康,也比喻人际关系或氛围有害、令人不快。
词性形容词形容词
使用语域mercuric 通常用作定语形容词,修饰名词,表示与汞相关的属性,常见于化学术语或描述性短语中。常用作形容词,修饰名词,如 toxic substance(有毒物质);也可用于比喻义,如 toxic relationship(有害关系)。

对比例句

mercuric

Be careful with that thermometer; it contains mercuric liquid inside.

小心那个温度计,它里面含有水银液体。

mercuric

The old battery might have mercuric components, so dispose of it properly.

旧电池可能含有汞成分,所以要妥善处理。

toxic

Don't eat those berries; they might be toxic.

别吃那些浆果,它们可能有毒。

toxic

The factory was fined for dumping toxic waste into the river.

这家工厂因向河里倾倒有毒废物而被罚款。

常见误用提醒

使用 mercuric:This substance is mercuric, so it's safe to touch. → This substance is mercuric, so it's dangerous to touch. (错误在于误解了 mercuric 的含义:它表示含汞,而汞通常有毒,因此正确用法应强调危险性,而非安全性。)

使用 mercuric:I bought a mercuric thermometer for daily use. → I bought a digital thermometer for daily use, as mercuric ones are being phased out. (undefined)

使用 toxic:This food is toxic for health. → This food is toxic to health. (错误使用介词 for,正确应为 to,表示对某物有害。)