In ordinary talk, peroxide is the sharp, watery liquid in the brown bottle: hydrogen peroxide. A weak mix fizzes on a cut and can kill germs; hairdressers use a stronger mix to make hair lighter.

In ordinary talk在日常用語裡，peroxide peroxide(雙氧水) is the sharp, watery liquid是那種味道刺鼻的水狀液體，in the brown bottle裝在棕色瓶子裡的：hydrogen peroxide hydrogen peroxide(過氧化氫)。A weak mix稀釋的溶液 fizzes on a cut碰到傷口會冒泡，and can kill germs而且可以殺菌；hairdressers美髮師 use a stronger mix會用比較濃的溶液 to make hair lighter把頭髮弄淡。

That is why “peroxide blonde” means hair that was bleached, not born that colour. You can also use it as a verb: to peroxide hair is to lighten it with this liquid.

That is why這就是為什麼「peroxide blonde peroxide blonde(漂淡的金髮)」 means hair that was bleached指的是漂過的頭髮，not born that colour而不是天生就是那個顏色。You你 can also use it as a verb也可以把它當動詞用：to peroxide hair幫頭髮做peroxide(漂淡) is to lighten it with this liquid就是用這種液體把頭髮弄淡。

Chemists use the word more widely for any compound that has two oxygen atoms joined to each other — the bathroom bottle is just the one most people mean.

Chemists化學家 use the word more widely把這個詞用得更廣，for any compound指任何一種化合物 that has two oxygen atoms joined to each other有兩個氧原子彼此相連的——the bathroom bottle浴室裡那瓶 is just the one most people mean只是大多數人講的那一種。

It is not oxygen gas, not bleach powder, and not a perfume; it smells sharp and can burn skin if it is strong. The school first-aid bottle is a weak mix; the salon mix is not.

It它 is not oxygen gas不是氧氣，not bleach powder不是漂白粉，and not a perfume也不是香水；it smells sharp它的味道很刺鼻，and can burn skin if it is strong濃度高的話會灼傷皮膚。The school first-aid bottle學校急救箱裡那瓶 is a weak mix是稀釋過的；the salon mix美容院用的那種 is not則不是。