positive about的用法和樣例：
例句
- He could still go to Australia. That was something he'd often toyed with but never done anything positive about.
他還能去澳大利亞，他時常會有這樣的念頭，但從未採取過什麼積極的步驟。 - Be you positive about that?
你肯定那是午夜嗎？ - Can you be positive about what you hear?
你對聽到的話有把握嗎？ - She was quite positive about the amount of money involved.
她對所涉及的錢數十分肯定。
positive about的相關資料：
臨近單詞
positive cam
positive
positive-displacement type fuel pump
positive-negative ambivalent quotient
positively definite variational problem
positive sinoatrial chronotropic effect
positive equilateral triangle structure
positive-negative pressure respirator
positively definite sequence of numbers
positive charged organic photoconductor
positive-displacement hydraulic drive
positive-pressure pnenmatic transport
