@ShatSlanger https://www.google.com/search?q=airfoil&rlz=1CAACARenUS762US762&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj3yaTt5MbXAhXIgVQKHTWyADoQAUICigB&biw=1346&bih=619#imgrc=SdAcqKOSgRd2_M: Like that
@QingyuZhou Why are you saying "You sucker" in chinese?
How to english?
what do you mean
@ShatSlanger https://www.google.com/search?q=airfoil&rlz=1CAACARenUS762US762&source=lnms&tbm=isch&sa=X&ved=0ahUKEwj3yaTt5MbXAhXIgVQKHTWyADoQAUICigB&biw=1346&bih=619#imgrc=SdAcqKOSgRd2_M:
Like that
@QingyuZhou Why are you saying "You sucker" in chinese?
How to english?
what do you mean