练习材料：
Lesson64 The Channel Tunnel
In l858, a French engineer, Aime Thome de Gamond, arrived in England with a plan for a twenty-one-mile tunnel under the English Channel. He said that it would be possible to build a platform in the centre of the Channel. This platform would serve as a port and a railway station. The tunnel would be well-ventilated if tall chimneys were built above sea-level. In 1860, a better plan was put forward by an Englishman, William Low. He suggested that a double railway tunnel should be built. This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it. Forty-two years later a tunnel was actually begun. If, at the time, the British had not feared invasion, it would have been completed. The world had to wait almost another 100 years for the Channel Tunnel. It was officially opened on March 7, 1994, finally connecting Britain to the European continent.
ˈlɛsən64 ðə ˈʧænəl ˈtʌnəl
ɪn ɛl858, ə frɛnʧ ˈɛnʤəˈnɪr, eɪm θoʊm di Gamond, əˈraɪvd ɪn ˈɪŋglənd wɪð ə plæn fɔr ə ˈtwɛnti-wʌn-maɪl ˈtʌnəl ˈʌndər ði ˈɪŋglɪʃ ˈʧænəl. hi sɛd ðæt ɪt wʊd bi ˈpɑsəbəl tu bɪld ə ˈplætˌfɔrm ɪn ðə ˈsɛntər ʌv ðə ˈʧænəl. ðɪs ˈplætˌfɔrm wʊd sɜrv æz ə pɔrt ænd ə ˈreɪlˌweɪ ˈsteɪʃən. ðə ˈtʌnəl wʊd bi wɛl-ˈvɛntəˌleɪtɪd ɪf tɔl ˈʧɪmniz wɜr bɪlt əˈbʌv si-ˈlɛvəl. ɪn 1860, ə ˈbɛtər plæn wʌz pʊt ˈfɔrwərd baɪ ən ˈɪŋglɪʃmən, ˈwɪljəm loʊ. hi səgˈʤɛstəd ðæt ə ˈdʌbəl ˈreɪlˌweɪ ˈtʌnəl ʃʊd bi bɪlt. ðɪs wʊd sɑlv ðə ˈprɑbləm ʌv ˌvɛntəˈleɪʃən, fɔr ɪf ə treɪn ˈɛntərd ðɪs ˈtʌnəl, ɪt wʊd drɔ ɪn frɛʃ ɛr bɪˈhaɪnd ɪt. ˈfɔrti-tu jɪrz ˈleɪtər ə ˈtʌnəl wʌz ˈækʧuəli bɪˈgʌn. ɪf, æt ðə taɪm, ðə ˈbrɪtɪʃ hæd nɑt fɪrd ɪnˈveɪʒən, ɪt wʊd hæv bɪn kəmˈplitəd. ðə wɜrld hæd tu weɪt ˈɔlˌmoʊst əˈnʌðər 100 jɪrz fɔr ðə ˈʧænəl ˈtʌnəl. ɪt wʌz əˈfɪʃəli ˈoʊpənd ɑn mɑrʧ 7, 1994, ˈfaɪnəli kəˈnɛktɪŋ ˈbrɪtən tu ðə ˌjʊrəˈpiən ˈkɑntənənt
任务配置：L0+L4
知识笔记：
well-ventilated
美 /wel ˈventɪleɪtɪd/
通风良好的
Storage: store in a well-ventilated, dry place.
储存条件：在通风干燥出封存。
invasion
美 /ɪnˈveɪʒn/
the act of an army entering another country by force in order to take control of it 武装入侵；侵略；侵犯
continent
美 /ˈkɑːntɪnənt/
one of the large land masses of the earth such as Europe, Asia or Africa 大陆；陆地；洲
the continent of Africa 非洲大陆
the African continent 非洲大陆
练习感悟：[ʌn]在一起时的发音，英音美音略有不同。
原声时长：87s
录音时长：88s
练习时间：35min
完成时间：2022.6.11 上午11
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