<p class="ql-block"><b>In an experiment published in 1988, social psychologist Fritz Strack of the University of Wurzburg in Germany asked volunteers to hold a pen either with their teeth—thereby creating an artificial smile—or with their lips, which would produce a disappointed .</b></p><p class="ql-block">词汇突破 </p><p class="ql-block">psychologist [saɪˈkɑːlədʒɪst] </p><p class="ql-block">n. 心理学家,心理学者 </p><p class="ql-block">artificial [ˌɑːrtɪˈfɪʃl] </p><p class="ql-block">adj. 人造的;仿造的;虚伪的;非原产地的;武断的 </p><p class="ql-block">结构分析 </p><p class="ql-block">句子的主干是 social psychologist asked volunteers to hold a pen。不定式短语 to hold a pen 作宾语补足语。Fritz Strack of the University of Wurzburg in Germany 是主语的同位语,解释说明主语的情况。In an experiment published in 1988 是状语,并列连词 either... or... 连接的介词短语 either with their teeth 和 or with their lip 作谓语 hold 的方式状语。thereby creating an artificial smile 为插入语,作结果状语。which would produce a disappointed expression 引导非限定性定语从句,修饰前面的情况。 </p><blockquote>参考译文 </blockquote><blockquote>在 1988 年公布的一项实验研究中,德国维尔茨堡大学的社会心理学家弗里茨·斯特拉克让志愿者用牙齿咬住一支笔,由此而形成假笑的表情;或用双唇咬住一支笔,从而产生沮丧的表情。</blockquote><p class="ql-block"><br></p>