1·Soft parts, including skin, hair, and viscera of ice age mammoths, have been preserved in frozen soil or in the oozing tar of oil seeps.
冰河时代猛犸象的柔软部位，包括皮肤、毛发和内脏，被保存在冻土或石油渗出的焦油中。
2·It is believed that 10 million mammoths are buried under the frozen soil of Siberia.
人们相信，在西伯利亚冻土下埋藏着近千万的猛犸。
3·When the robotic arm first reached that depth, it hit a hard layer of frozen soil.
当机器臂第一次达到这个沟的时候，它触到了一层硬的冻土。
4·In 1968, oil was discovered beneath the frozen soil on Alaska's Northern Slope.
译：1968年在阿拉斯加北边坡地的冻土下面发现了石油。
5·During the brief summer, a thin layer of frozen soil thaws at the surface.
短短的夏季里，表面很薄的一层冻土融化了。