adj.松脂酸的

We'll have a pinic unless it doesn't rain tomorrow. 如果明天不下雨，我們就去野餐。

They went on a pinic in a country park. 他們?cè)谝凰扇ピ趪夜珗@。

They went on a pinic in a Country park to take barbecue. 他們繼續(xù)一松在國家公園采取烤肉。

To learn a foreign language is possible, but to be a bilingual is no pinic. 學(xué)一門外語是可能的,但要掌握兩門外語不是件容易的事。

For convenience in application, RA series of fluxes, in which pinic acid is the main active component, were prepared. 為了便于使用,還研制了以蒎酸為主要活性組分的RA系列助焊劑。