學(xué)個(gè)詞 Learn A Word: bacteria 細(xì)菌

今天我們要學(xué)的詞是 bacteria. Bacteria 名詞，細(xì)菌。The World Health Organization issued a list of the top 12 types of bacteria that are most dangerous to humans. 世界衛(wèi)生組織公布了對(duì)人體危害最嚴(yán)重的12個(gè)類(lèi)別的細(xì)菌清單。New research shows that some friendly bacteria on our skin can produce natural antibiotics and help ward off bad bacteria. 最新研究顯示，人體皮膚上對(duì)人體有利的細(xì)菌可以產(chǎn)生天然抗生物質(zhì)，防范有害細(xì)菌的威脅。好的，我們今天學(xué)習(xí)的詞是 bacteria, bacteria, bacteria...