Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.是什么意思？

Hydrofluoric acid of Porcelain Etchant and phosphoric acid of UNI - ETCH are severe eye and tissue irritants.

瓷酸蚀剂的氢氟酸和UNI-ETCH的磷酸是一种强烈的眼睛和组织的刺激物.

hydrofluoric

adj. 含氢和氟的，含氟化氢的，氢氟酸的；

例句
Material illustrating detailed structure of graptolites has been etched from limestone by means of hydrofluoric acid.
表明笔石详细构造的物质是利用氢氟酸从石灰岩中侵蚀出来.

acid

adj. 酸味的，尖刻的，酸的，酸性的；n. <化>酸，酸味物质；

例句
This comedy of contemporary manners is told with compassion and acid humour.
这部当代风尚喜剧杂糅了悲悯的情怀和尖酸的幽默。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

porcelain

n. 瓷，瓷器；adj. 瓷制的，精美的，脆的，易碎的；

例句
...the picture, furniture and porcelain collections that blend so well with the house itself.
与房间本身非常搭调的图画、家具和瓷器收藏品

etchant

n. （用于金属、玻璃等的）蚀刻剂；

例句
More often, all of the materials exposed to the etchant have a finite etch rate.
通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

etch

vt.& vi. 蚀刻，浸蚀，刻划，描述，铭刻在心里/记忆里/脑海里，铭记；n. 腐蚀剂；

例句
More often, all of the materials exposed to the etchant have a finite etch rate.
通常, 所有暴露在刻蚀剂中的材料都具有一定的刻蚀速率.

are

vi. （用于第二人称单复数现在时，第一、三人称复数现在时）是；n. 公亩（等于100平方米）；

例句
We are scared to abandon ourselves to our feelings in case we seem weak or out of control.
我们不敢放纵自己的情感，以免显得太过软弱或缺乏自制。

severe

adj. 严峻的，严厉的，剧烈的，苛刻的；

例句
He had severe abrasions to his right cheek.
他的右脸颊有严重的擦伤。

eye

n. 眼睛，视力，眼状物，风纪扣扣

例句
Gloria slid an appraising eye over the rest of the rack before reaching for the dress.
格洛丽亚以审视的眼光向货架上其余的衣服扫了一遍，才伸手去拿那件连衣裙。

tissue

n. 薄纸，棉纸，[生]组织，一套；

例句
Before applying make-up, blot the face with a tissue to remove any excess oils...
上妆前，先用面巾纸把脸上多余的油吸干。

irritants

n. 刺激物，刺激因素( irritant的名词复数 )；

例句
These gases can also act as sensory irritants to produce tears or sneezing.
这些气体也可以起一种刺激物的作用,引起流泪或打喷嚏.