氢酸（无氧酸）

hydro-acid;hydrogen acid

• catch
• category
• cater
• cathedral
• catherineⅱ
• catholic
• catholicism
• cattle
• cause
• caution
• cautious
• cave
• cavity
• cba
• cd
• cease
• ceiling
• celebrate
• celebration
• cell
• cellar
• celsius
• cement
• cemetery
• censor