ic
ic — 字尾
1. a word ending added to nouns or verbs to make adjectives that describe something
…的；…性
構成形容詞，表相關或進行
a word ending added to nouns or verbs to make adjectives that describe something as relating to that thing or carrying out that action
The historic temple in Nara is over a thousand years old.
奈良那座具歷史意義的寺廟已有一千多年的歷史。
historic = history + ic (relating to history)
Emeka's heroic rescue of the drowning dog was on the evening news.
Emeka 英勇救起溺水小狗的事蹟上了晚間新聞。
heroic = hero + ic (having the qualities of a hero)
The scientific report explained why the lake water had turned green.
那份科學報告解釋了湖水為何變綠。
Fatima joined an athletic competition and finished second in the long jump.
Fatima 參加了一場運動比賽，在跳遠項目獲得第二名。
Keiko's poetic description of the sunrise moved everyone to silence.
Keiko 詩意般的日出描述讓在場所有人都感動得說不出話。
用法筆記
This suffix attaches to nouns to form adjectives. Common in academic, technical, and everyday vocabulary. The resulting adjective often describes a quality, field, or characteristic of the base word.