名詞 cf.:

1. a radioactive transuranic element; discovered by bombarding curium with alpha particles
   同義詞：californium, Cf, atomic number 98
2. the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; there is no cure
   同義詞：cystic fibrosis, CF, fibrocystic disease of the pancreas, pancreatic fibrosis, mucoviscidosis

副詞 cf.:

1. compare (used in texts to point the reader to another location in the text)
   同義詞：cf

cf.
abbr.（略語(yǔ)）
Calfskin.
Calfskin.
Latin Confer (compare).
【拉丁語(yǔ)】 協(xié)議（比較）

cf.
cf. 或 C.F.
abbr.（略語(yǔ)）
Cost and freight.
成本加運(yùn)費(fèi)