请在每组词中选出重音位置不同的单词
A. Vietnam
B. Vietnamese
C. example
D. important
请在每组词中选出重音位置不同的单词
A. triangle
B. imported
C. terrible
D. interesting
请在每组词中选出重音位置不同的单词
A. photograph
B. photographer
C. photography
D. performance
请在每组词中选出重音位置不同的单词
A. guitar
B. nineteen
C. today
D. yesterday