Translation:

Who is your math teacher?

mathematics

English [m? θ] beauty [m? θ]

Mathematics (equal to mathematics)

Math exam Math exam

consistent

(Note: There is little difference between the pronunciation of most consonants and pinyin, which can be homophonic; There are also some consonants that have no corresponding pinyin fonts. Here we mainly focus on/θ? /these four consonants) where/θ/and/? /These two phonetic symbols, which have no similar pinyin to correspond to, are mainly memorized by mouth shape.

/θ/―― The upper and lower teeth bite the tip of the tongue and make a "Si" sound; /? /-Phonetic symbol Z is pronounced on the tip of the tongue; /? /-division; /? /-When the teeth are closed, the tongue touches the teeth, and the pinyin R is pronounced.