each在此的用法, 是要強調"每一個"dwelling, 用法是正確的, 沒有不對
參考10th OG No.122
122. Chinese, the most ancient of living writing systems, consists of tens of thousands of ideographic characters, each character miniature calligraphic composition inside its own square frame.
(A)each character a miniature calligraphic composition inside its
(B)all the characters a miniature calligraphic ; composition inside their
(C)all the characters a miniature calligraphic composition inside its
(D)every character a miniature calligraphic composition inside their
(E)each character a miniature calligraphic composition inside their
答案(A)也是用each來強調"每一個"中文字的特性