亚太地区的人发“L”音都比较困难，郑医师说。

People from the Asia Pacific region have difficulty in pronouncing the "l" sound, says Dr Jung.

youdao

亚太地区的人发“L”音都比较困难，郑医师说。

People from the Asia Pacific region have difficulty in pronouncing the "l" sound, says Dr Jung.

youdao