In a National Geographic file photo from 2002, a scientist in a full thermal suit collects lava atop Mount Etna.

国家地理2002年存档的图片中，一名全身耐温衣的科学家在埃特纳火山顶收集岩浆。

youdao

Lewis served as the field scientist, chronicling botanical, zoological, meteorological, geographic, and ethnographic information.

刘易斯作为探险科学家记载了植物、动物、气象、地理和土著人的资料。

youdao

Lewis served as the field scientist, chronicling botanical, zoological, meteorological, geographic and ethnographic information.

在探险过程中刘易斯担任多个领域的科学家——记载植物、动物、气象、地理和土著人的资料。

youdao

Generally, skills-based rotations are more valuable than swaps that are purely geographic, says Alec Levenson, a research scientist at the University of Southern California's Center for Effective Organizations.

WSJ: Co-Workers Get a Chance to Change Places