练习材料
Lesson 40-1 Waves
Waves are the children of the struggle between ocean and atmosphere, the ongoing signatures of infinity. Rays from the sun excite and energize the atmosphere of the earth, awakening it to flow, to movement, to rhythm, to life. The wind then speaks the message of the sun to the sea and the sea transmits it on through waves -- an ancient, exquisite, powerful message.
These ocean waves are among the earth's most complicated natural phenomena. The basic features include a crest (the highest point of the wave), a trough (the lowest point), a height (the vertical distance from the trough to the crest), a wave length (the horizontal distance between two wave crests), and a period (which is the time it takes a wave crest to travel one wave length).
Although an ocean wave gives the impression of a wall of water moving in your direction, in actuality waves move through the water leaving the water about where it was.
/ˈlɛsən/ 40-1 /weɪvz/
/weɪvz/ /ər/ /ðə/ /ˈʧɪldrən/ /əv/ /ðə/ /ˈstrʌgəl/ /bɪˈtwin/ /ˈoʊʃən/ /ənd/ /ˈætməˌsfɪr/, /ði/ /ˈɑnˌgoʊɪŋ/ /ˈsɪgnəʧərz/ /əv/ /ɪnˈfɪnəti/. /reɪz/ /frəm/ /ðə/ /sʌn/ /ɪkˈsaɪt/ /ənd/ /ˈɛnərˌʤaɪz/ /ði/ /ˈætməˌsfɪr/ /əv/ /ði/ /ɜrθ/, /əˈweɪkənɪŋ/ /ɪt/ /tə/ /floʊ/, /tə/ /ˈmuvmənt/, /tə/ /ˈrɪðəm/, /tə/ /laɪf/. /ðə/ /wɪnd/ /ðɛn/ /spiks/ /ðə/ /ˈmɛsəʤ/ /əv/ /ðə/ /sʌn/ /tə/ /ðə/ /si/ /ənd/ /ðə/ /si/ /trænzˈmɪts/ /ɪt/ /ɑn/ /θru/ /weɪvz/ -- /ən/ /ˈeɪnʧənt/, /ˈɛkskwəzət/, /ˈpaʊərfəl/ /ˈmɛsəʤ/.
/ðiz/ /ˈoʊʃən/ /weɪvz/ /ər/ /əˈmʌŋ/ /ði/ /ɜrθs/ /moʊst/ /ˈkɑmpləˌkeɪtəd/ /ˈnæʧərəl/ /fəˈnɑmənə/. /ðə/ /ˈbeɪsɪk/ /ˈfiʧərz/ /ɪnˈklud/ /ə/ /krɛst/ (/ðə/ /ˈhaɪəst/ /pɔɪnt/ /əv/ /ðə/ /weɪv/), /ə/ /trɔf/ (/ðə/ /ˈloʊəst/ /pɔɪnt/), /ə/ /haɪt/ (/ðə/ /ˈvɜrtɪkəl/ /ˈdɪstəns/ /frəm/ /ðə/ /trɔf/ /tə/ /ðə/ /krɛst/), /ə/ /weɪv/ /lɛŋkθ/ (/ðə/ /ˌhɔrəˈzɑntəl/ /ˈdɪstəns/ /bɪˈtwin/ /tu/ /weɪv/ /krɛsts/), /ənd/ /ə/ /ˈpɪriəd/ (/wɪʧ/ /ɪz/ /ðə/ /taɪm/ /ɪt/ /teɪks/ /ə/ /weɪv/ /krɛst/ /tə/ /ˈtrævəl/ /wʌn/ /weɪv/ /lɛŋkθ/).
/ˌɔlˈðoʊ/ /ən/ /ˈoʊʃən/ /weɪv/ /gɪvz/ /ði/ /ɪmˈprɛʃən/ /əv/ /ə/ /wɔl/ /əv/ /ˈwɔtər/ /ˈmuvɪŋ/ /ɪn/ /jər/ /dəˈrɛkʃən/, /ɪn/ /ˌækʧuˈæləˌti/ /weɪvz/ /muv/ /θru/ /ðə/ /ˈwɔtər/ /ˈlivɪŋ/ /ðə/ /ˈwɔtər/ /əˈbaʊt/ /wɛr/ /ɪt/ /wʌz/.
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