fifteen-ring
英['fɪft'iːnr'ɪŋ] 美['fɪft'iːnr'ɪŋ]
I heared it's the biggest botanical garden within the Forth Ring in Beijing. It contains seven greenhouses and fifteen outdoor garden squares.
听说这是四环以内最大的植物园，一期景观由七大温室和十五个花园广场组成。
Would you like to ring back in, say, fifteen minutes?
你能十五分钟后打回来吗？
上一个：fifteen forty
下一个：fifteen thirty
