fricatives怎么读，fricatives什么意思，fricatives短语和例句

1.This paper compares approximants with continuants, semivowels, fricatives, liquids, and vowels, and identifies the initial ri in Mandarin as an approximant rather than a voiced fricative.

本文比较了近音与通音、半元音、擦音、流音、元音之间的异同，认定普通话日母是近音而非浊擦音。

2.This paper compares approximants with continuants, semivowels, fricatives, liquids, and vowels, and identifies the initial ri in Mandarin as an approximant rather than a voiced fricative.

本文比较了近音与通音、半元音、擦音、流音、元音之间的异同，认定普通话日母是近音而非浊擦音。

3.Early Old Thai also apparently had velar fricatives as distinct phonemes.

早期的古泰国人显然也把软腭摩擦音作为独特的音素。