Precarious 不稳定的 uncertain

Settled 固定的 stable

Chronicle 记载，记录，编年史 describe

Ornate 装饰的，华丽的 elaborate

Derived from 起源 based on

Various 不同的，多样的different

Account for 解释 explain

Subjugated 征服 conquered

Synonymous with 同义的 equivalent to

Excavating 挖掘 digging

Agents 动因，代理人 causes

Aided 帮助的 helped

Estimated 评估 judged

Pry off 翘起 remove

Littered 杂乱堆满，乱丢 covered

Preserved 保持，保存 protected from destruction

Constant 持续的，一致的 consistent

Attained 达到，获得 achieved

Resumed 再继续，重新开始 began again

Attests to 证明 give evidence of

Drab 单调的 dull

Prominent 显著的，突出的 noticeable

Yet 仍，至今 so far

Rudimentary 根本的，未发展的 basic

Biting 尖锐的 sharp

Heightened 提高，提升 increased

Meticulous 小心翼翼的 careful

Accumulated 积聚，积累 built up

Tantamount to 与……相等的 practically the same as