真题短语见合辑。
461货物
462坚固的内部构造
a solid interior
463被拦截
be intercepted by
4先进设备
sophisticated instruments
465促进
greatly facilitated navigation
466缩小
ice be shrinking
467藏品
give up the treasures
468手工制品
these artefacts
469纺织品和兽皮
textiles and hides
470微生物
microorganisms that cause decay
471融化
ice thawd out
472降解
experience degradation swiftly
473野外工作
fieldwork
474冰地
survey patches of ice
475聚集
congregated on these ice patches
476不会移动的
stationary patches of ice
477岩石
frost-weathered boulders
478有收获的
very rewarding
479在这些被缩小的冰地边缘上
at the edge of contracting ice patches
480遗落
easily misplaced arrows
