中英释义：
双语例句
在实验中，这两种动物被给予了向人讨要食物的机会，一种是肯帮忙的人一种是从看不见潜在乞讨者的人。
In the experiments, the two sets of animals were given the opportunity to beg for food, either from an attentive person or from a person unable to see the potential begger.
重点词汇
-
帮忙
help; assist; aid; lend a hand; do a favor; accommodate; oblige; assistance; favor; support