声音简介
【本期听力30个主题词汇】travel pass, smart card, validate, electronic ticket machine, social distance, coronavirus, COVID-19, hygiene, hand sanitizer, door handles, seatbelts, railings, component, vehicle, medical grade mask, sealable bag, footpath, considerate, sit side-by-side, face to face contact, lower deck, upper deck, interfere, signs, barriers, socially-distance, airflow, keep alert, traveling safe.
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Handsome2020
I go to school by car and it is much safer. Take care
Charlie英语 回复 @Handsome2020：
Thank you for your considerate comments and good luck for you and me. Keep safe no matter you are