北京大 现代远程教育 Words and expressions ·1.stream英[stri:m美[strim] ·Spring[sprIn] ·School[sku:l sister/'sIsta/ 。Asking['a:skIn] 。risking/'riskin/ Words and expressions • 1. stream 英[striːm] 美 [strim] • Spring [sprɪŋ] • School [skuːl] • sister/ˈsɪstə/ • Asking ['ɑːskɪŋ] • risking /ˈrɪskɪŋ/