今天我們要學的詞是step in. To step in 有插手,干預的意思。Federal health officials stepped in to help to contain the outbreak after more than 250 people fell ill to a rare parasite. 一種罕見的寄生蟲讓250多人病倒后,美國聯邦健康部門官員出面協助控制疫情。美國汽車城市底特律申請破產保護后,The White House promised to work with city leaders but stopped short of committing to step in and bail the city out. 白宮保證跟底特律市的領導人共同努力,但是沒有保證要由聯邦政府出面救助底特律。好的,今天我們學習的詞是step in, step in, step in...
n. 寄生蟲,寄生生物,食客