Helen: This way, the milk acts as a protective barrier between the cup and the hot tea.

如果要避免这种现象，那就应该先在杯子里加点冷牛奶，再倒热茶。

youdao

Helen: This way, the milk acts as a protective barrier between the cup and the hot tea.

如果要避免这种现象，那就应该先在杯子里加点冷牛奶，再倒热茶。

youdao