rolloutKK [ˋroˏlaʊt] /ˈɹoʊˌlaʊt/發音名詞1推出、上市、發表The company delayed the rollout of its new phone until spring.公司把新手機的推出時間延後到春天。2推行、實施、部署The vaccine rollout reached rural areas much later than expected.疫苗的施打作業在偏鄉地區比預期晚了許多。3首次公開展示正式Thousands of engineers attended the rollout of the new aircraft.數千名工程師出席了這架新飛機的首次公開展示。