"There's creeping protectionism now,". "That is very dangerous.

VOA: standard.2009.11.11

And little by little they start creeping down here.

渐渐地他们成绩开始下降。

麻省理工公开课 - 固态化学导论课程节选

And little by little they start creeping down here.

渐渐地他们成绩开始下降。

麻省理工公开课 - 固态化学导论课程节选