adj.松脂酸的
We'll have a pinic unless it doesn't rain tomorrow. 如果明天不下雨，我们就去野餐。
They went on a pinic in a country park. 他们在一松去在国家公园。
They went on a pinic in a Country park to take barbecue. 他们继续一松在国家公园采取烤肉。
To learn a foreign language is possible, but to be a bilingual is no pinic. 学一门外语是可能的,但要掌握两门外语不是件容易的事。
For convenience in application, RA series of fluxes, in which pinic acid is the main active component, were prepared. 为了便于使用,还研制了以蒎酸为主要活性组分的RA系列助焊剂。
