French explorers saw members of the iroquois native american tribe make popcorn with heated sand in a clay container .
法國探險者看到土著美洲部落的易洛魁人把玉米放進(jìn)含有熱沙的陶器里制成爆米花。
The iroquois were still very far from controlling nature , but within the limits imposed on them by natural forces they did control their own production .