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skin n. 人体的皮肤 leather n. 皮革 complexion n. 某人是什么颜色的皮肤（可与 skin 互换）
  • We are wet to the skin.
  • He has a dark skin/complexion.
  • Shoes made of real leather have become very expensive.
  • This sofa is made from real leather.
 Look at her rosy cheeks.She has a lovely complexion.
B.C. = Before Christ 公元前（位于年代之后） he Romans invaded England in 55 B.C. “B.C.” 不可省略，否则时间是错误的
in the yeare of the Lord = since Christ was born 公元（位于年代之前） In the year of the Lord 2024 强调2024, many technological advancements have reshaped our society.
A.D. = anno Domini George I died in A.D. 1727. 强调是公元非公元前
wax n. 蜡（不可数名词） candle n. 蜡烛（可数名词）
All the figures in this shop are made of wax. I keep a candle by my bed in case the lights go out suddenly.