Lathering should last 28 seconds and involve 20 rubs.

使用香波擦头发的时间应持续28秒，包括20下按摩。

He finished lathering, and then began to rub in the suds with his hand.

涂完肥皂沫，他的手开始在泡沫里揉差。

Without enough of it, the lathering liquid wouldn't pour from the bottle.

如果没有足够的水，这些气泡的液体就无法从瓶子里倒出来了。

Water. Up to 80 percent of shampoo is this basic element. Without enough of it, the lathering liquid wouldn't pour from the bottle.

水。这种基本成分在一瓶洗发水中高达百分之八十。如果没有足够的水，这些气泡的液体就无法从瓶子里倒出来了。

Cool shampoos are more soothing if there is an inflamed skin, whereas shampoos at body temperature will give better lathering qualities.

如果皮肤有炎症，洗凉水澡更舒适，而在体温水平的水中洗澡可能会有痛感。