sū mén dá là dǎo
Sumatra (one of the Indonesian islands)
苏
sū
abbr. for Soviet Union 蘇維埃|苏维埃[Su1 wei2 ai1] or 蘇聯|苏联[Su1 lian2]
门
mén
gate
答
dá
to answer
腊
là
old variant of 臘|腊[la4]
岛
dǎo
island
