单词-ics
suff.: 构成复数型名词;表示“…学”;科学名称加上 "my"
suf.: …的科学(或艺术、活动)
…的科学(或艺术、活动):
the science, art or activity of
有若干可单数复数两用者: Politics is [are] fascinating
〔用作复数〕表示“行为”,“活动”,“体系”,“性质”的名称时: Aerobatics take a lot of learning
〔用作复数〕科学名称加上 “my”, “the”, “such” 等特定的词时: His mathematics are strong
〔用作单数〕表示“…学”,“…术”: mathematics, physics