Today's Sentence
Video not in English?They also warn that because this is the first study to ever examine the relationship between school start times and student retention in pre-adolescents, more research is needed before solid conclusions can be drawn.
Original Video:Why Schools Should Start Classes Later!
Key Vocabulary
1. examine
examine
[ɪɡˈzæm.ɪn](v.)
2. retention
retention
[rɪˈten.ʃən](n.)
3. pre-adolescent
pre-adolescent
[priː-ˌæd.əˈles.ənt](n.)

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