《He invented this bicycle in 1839》PPT课件2
《He invented this bicycle in 1839》PPT课件2第3页

paint- print- invent-

play- clean- stay- watch- finish- wash-

ed ed ed

/id/

ed ed ed

/d/

ed ed ed

/t/

轻对轻 浊对浊 以”t”结尾读/id/