The sensation of sound is produced how vibrations transmitted through the air strike the eardrum.
答案为“how”错了,是不是应改为“by”?“strike”在句中作什么成份,怎么用的?
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我觉得应该把 how 改为when
transmitted through the air 是定语从句修饰vibrations,谓语动词是strike
用when引导状语从句,strike作从句的谓语,transmitted through the air作定语修饰vibrations,对吗?
同意楼上.
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