他受了伤，发出尖声呼叫。
五分之一的英国人在公共场合发言这方面都有一段不堪回首的回忆，最让人尴尬的错误就是说话破音，或是突然发出尖声。
A fifth of people have had a public speaking nightmare that they would rather forget and the most embarrassing speaking blunder is having your voice break or squeaking high pitched unexpectedly.
五分之一的英国人在公共场合发言这方面都有一段不堪回首的回忆，最让人尴尬的错误就是说话破音，或是突然发出尖声。
A fifth of people have had a public speaking nightmare that they would rather forget and the most embarrassing speaking blunder is having your voice break or squeaking high pitched unexpectedly.
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