shampoo意为洗发水。本身是一个不可数名词。但是，由于shampoo一般都是用瓶子装的，所以我们一般都用bottle，瓶，来表达它的数量。一瓶shampoo，就是a bottle of shampoo。
相关介绍
例句：
Apply a dribble of baby shampoo.
抹一点儿婴儿洗发香波。
Massage the shampoo into the scalp.
通过按摩让洗发香波渗入头皮。
The shampoo lathers and foams so much it's very hard to rinse it all out.
这种洗发水泡沫太多，很难冲干净。
Wet your hair before applying the shampoo.
先弄湿头发，再抹上洗发剂。
Function as excellent antidandruff and antipruritic agent in shampoo system.
在洗发香波中有优越的去屑止痒作用。
Some shampoos help to get rid of scurf ( or dandruff).
有的香波能去头（皮）屑。
