日志
学习单词precise
precise
adj.
1.准确的；确切的；精确的；明确的
clear and accurate
2.细致的；精细的；认真的；一丝不苟的
taking care to be exact and accurate, especially about small details
助记： pre + -cis + -e
拓展：precisely adv.精确性
precision n.精确（性）
