give the correct english symbol for each of the following phonetic feature complexes
上面的是题目,
题的内容是
1 +lateral
+velarized
2 +alvolar +devoice
+stop -nasal
3 +front -high
-tense -low
4 +back +high
+tense +lengthened
答案分别是 l, t, 大口型的e, u:
能解释下是什么意思么?应该如何做这样的题?要详细的解释,谢谢