The parasite, a protozoan called Leishmania donovani, had become resistant to the drugs of choice, compounds based on the element antimony.是什么意思_The parasite, a protozoan called Leishmania donovani, had become resistant to the drugs of choice, compounds based on the element antimony.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句