a: The pitch na ọnụ ọgụgụ nke ahịrị nke yinye: The ibu pitch, ukwuu ike nke nwere ike ibunye, ma unevenness nke ngagharị, ike ibu, na mkpọtụ na-abawanye otú ahụ. Ya mere, n'okpuru ọnọdụ nke izute ibu ibu ibu, obere-pitch agbụ kwesịrị ịbụ anyị ...
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