【判断题】Both ‘clear’ [l] and ‘dark’ [ɫ] are formed with the tip of the tongue touching the teeth ridge. The only difference is that in the articulation of the ‘clear’ [l], the back part of the tongue is raise...
【简答题】D uality is also termed double articulation. The articulation of words or other m____ units is the primary articulation, that of p____ units within words the secondary articulation.