用嘴把咖啡吹凉，是很不文雅、不合礼仪的动作。

Mouth to blow cold coffee is very gentle, not ritual action.

youdao

用嘴把咖啡吹凉，是很不文雅、不合礼仪的动作。

Mouth to blow cold coffee is very gentle, not ritual action.

youdao