She could smell his foul breath.

她闻得到他的口臭。

You have foul breath.

你口臭。

I rather enjoyed the comfort of the situ-ation, although most of my friends had foul breath or fetid odors about them.

我非常喜欢这种舒服，虽然我大多数朋友都有难闻的口气和臭味。

I rather enjoyed the comfort of the situation, although most of my friends had foul breath or fetid odors about them.

我非常喜欢这种舒服，虽然我大多数朋友都有难闻的口气和臭味。

Rinsing the mouth can make the oral cavity remain clean, teeth firm and prevent diseases such as foul breath and caries.

食后漱口可使口腔保持清洁，牙齿坚固，并能防止口臭、龋齿等疾病。