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:
★ Spiders top the global predator charts 研究称蜘蛛食量居全球捕食性动物之首
★ Tasmanian devil milk fights superbugs 袋獾乳汁可对抗“超级细菌”
★ Almost, nearly, more or less “差不多”的三个近义词
★ The mystery of our earliest memories 人类早期记忆的谜团
最新
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15
2019-11-15