【長難句】
An electric coil worn in a cap or attached to the head with a band which delivers magnetic pulses to the brain has been shown to relieve the symptoms of severe depression in patients and boost mental performance in young adults.
【句子拆分】
主語 An electric coil
謂語 has been shown
普通 to relieve the symptoms
【單詞解析】
單詞
symptom
音標
[?s?mt?m]
中文詞意
n.癥狀;征兆
【語法分析】
這句話的主語"An electric coil","worn in a cap"以及"attached to the head with a band"都是過去分詞做后置定語,表達一個被動的關(guān)系,---“被裝在帽子里”和“通過帶子被連到了頭部”,"which"引導定語從句修飾"a band","which"在定語從句中做主語的位置,謂語"delivers",賓語"magnetic pulses","to the brain"可當成狀語,句子主干的謂語"has been shown",語態(tài)是被動態(tài);不定式"to relieve..."更像是主語的定語后置,注意"to relieve the symptoms"和"to boost mental performance"是并列關(guān)系。
【譯文】
研究發(fā)現(xiàn),把一個通電線圈裝在帽子里戴上,或是通過一條帶子把線圈與頭部相連,從而把磁脈沖傳導給大腦,可以減輕嚴重抑郁癥患者的癥狀,還能提升年輕人的智力表現(xiàn)。
【考情分析】
見語法分析
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