Researchers at Heriot-Watt University gave Alex human emotions in their most basic universal form.

赫瑞瓦特大学的研究人员给了亚历克斯最基础和最普遍的人类的情感形式。

While cheek-kissing for Latin Americans is also a universal greeting form, it does not require such a high degree of relational closeness.

虽然亲吻脸颊对拉丁美洲人来说也是一种普遍的问候形式，但它不需要高度的亲密关系。