These 85, 000 baby teeth were collected in the late 1950s and early 1960s from children in the st Louis area to study the effects of radioactive fallout in the environment.
这85,000个婴儿的牙齿是在1950年后期和1960年代初期从圣路易斯的孩子们那里采集到的，用来研究一定的环境下放射性坠尘的影响。
These 85,000 baby teeth were collected in the late 1950s and early 1960s from children in the st Louis area to study the effects of radioactive fallout in the environment.
这85,000个婴儿的牙齿是在1950年后期和1960年代初期从圣路易斯的孩子们那里采集到的，用来研究一定的环境下放射性坠尘的影响。
These 85,000 baby teeth were collected in the late 1950s and early 1960s from children in the st Louis area to study the effects of radioactive fallout in the environment.
这85,000个婴儿的牙齿是在1950年后期和1960年代初期从圣路易斯的孩子们那里采集到的，用来研究一定的环境下放射性坠尘的影响。
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