Treatment for sick children with Oral Rehydration Salts (ORS) combined with zinc supplements is safe, cost-effective, and saves lives.是什么意思_Treatment for sick children with Oral Rehydration Salts (ORS) combined with zinc supplements is safe, cost-effective, and saves lives.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句