I am an ESL teacher in China, I would like to seek your opinions regarding the proper pronunciation of the words starting with st like stand, student, stupid etc as the teachers in the school where I work insist that st should be pronounced as sd like sdand, sdudent, sdupid and all other words starting with st. their bases are the discs (Playwright English Textbook) they used pronounced these words as sd.

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CalifJimHave you been reading Nagel's What is it like to be a Bat?
Alas, only Kafka.Emotion: bat

I hear the bats have been having it pretty tough lately - along with the bees. (viruses, fungi, and microwaves) Well, the birds are doing better, anyway!