3. In the past it was very difficult to cure STIs.
4. The doctor told me he has to operate on me tomorrow. That's the only way to treat my illness - there's no alternative.
5. Mark spent his first year at university partying and having fun. If he wants to get a diploma he has to up his game and study more.
【Man vs bacteria 人类对抗细菌】相关文章:
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★ Cinema for the homeless and poetry in a box 流浪者的电影院,匣子里的诗
★ Brain activity and heart disease 大脑活动与心脏疾病之间的联系
最新
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15