At its worst it is corrosive and it is stultifying. 在最壞的情況下，時間具有腐蝕作用，而且使人更為愚鈍。
Hydrofluoric acid on human skin has a strong corrosive effect, wash the floor, picked up a trace of careless, pain, skin will be visibly. 氫氟酸對人體皮膚也有強烈的腐蝕作用，洗樓工不小心沾上了，皮膚會痛上五六天。
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